{"title":"Countersinks","description":"","products":[{"product_id":"1-4-100-deg-3-flute-countersink-3-16-round-shank-hss_dewcsk1-4-100","title":"1\/4\"-100 Degree 3 Flute Countersink | HSS | 3\/16\" Round Shank | DEWCSK1\/4-100","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial precision countersink tooling for metalworking and assembly applications. High-speed steel countersinks provide consistent chamfers and chip control in demanding production environments.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 100°\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 3\/16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS (High Speed Steel) for wear resistance and edge retention in metalworking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGeometry\u003c\/b\u003e: 3 flute countersink geometry enables efficient chip evacuation and clean chamfers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 100 degree countersink angle supports standardized seating for flat-head fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: Round shank, 3\/16 inch diameter, compatible with standard drill chucks and collets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Suitable for countersinking holes in metal components and assembly operations; compatible with milling machines, drill presses, and handheld drills with appropriate speed. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412443947287,"sku":"DEWCSK1\/4-100","price":5.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-8-100-deg-3-flute-countersink-1-4-round-shank-hss_dewcsk3-8-100","title":"3\/8\"-100 Degree 3 Flute Countersink | HSS | 1\/4\" Round Shank | DEWCSK3\/8-100","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink tools designed for precision fastener seating in metal fabrication. This 3\/8\" countersink features 100° geometry, 3-flute design, a 1\/4\" round shank, and High-Speed Steel construction.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 3\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle:\u003c\/strong\u003e 100°\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank Type:\u003c\/strong\u003e Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 1\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAngle and Geometry:\u003c\/strong\u003e 100° countersink geometry aligns with standard flat-head fasteners to create flush seating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute Design:\u003c\/strong\u003e 3-flute configuration enhances chip clearance and improves material removal efficiency during countersinking.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e Round shank supports broad compatibility with most drill chucks and drive systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Speed Steel (HSS) provides wear resistance and heat tolerance for repeated use in metalworking.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Suitable for countersinking holes in metalwork, fabrication, and maintenance tasks requiring precise screw seating. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412443980055,"sku":"DEWCSK3\/8-100","price":6.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-2-100-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk1-2-100","title":"1\/2\"-100 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK1\/2-100","description":"\u003cdiv\u003eIndustrial-grade countersinks engineered for precision metalworking. This 1\/2 inch diameter, 100 degree included angle, 3 flute countersink uses a 3\/8 inch round shank and is manufactured from High Speed Steel. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Diameter: 1\/2 inch; Included angle: 100 degrees; Flutes: 3; Shank: 3\/8 inch round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS (High Speed Steel)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003e3-flute design\u003c\/b\u003e enables efficient material removal and smoother countersinking\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e 100 degrees aligns with standard flat-head screw profiles\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e 3\/8 inch round shank fits common collets and tool holders\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e HSS provides heat resistance and wear resistance for repeated operation\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e suitable for countersinking and chamfering holes in metal substrates including steel, aluminum, and other alloys in industrial settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444012823,"sku":"DEWCSK1\/2-100","price":7.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"5-8-100-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk5-8-100","title":"5\/8\"-100 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK5\/8-100","description":"\u003cdiv\u003eIndustrial tooling for precision metalworking and fabrication. This countersink bit is designed for consistent chamfers, burr-free holes, and reliable performance in high production environments. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Countersink diameter 5\/8\", Shank diameter 3\/8\" round\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDrive type\u003c\/b\u003e: Round shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 100°\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e3 flute geometry\u003c\/b\u003e: Enables efficient chip evacuation and stable cutting during high-speed machining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e100° countersink angle\u003c\/b\u003e: Produces clean chamfers and flush seating for countersunk fasteners in metal parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS (High Speed Steel) provides wear resistance and heat tolerance for prolonged tool life in ferrous and non-ferrous alloys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: 3\/8\" round shank compatible with standard tool holders, collets, and CNC spindles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Deburring, chamfering, and countersinking for machine screws in automotive, aerospace, and general manufacturing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444143895,"sku":"DEWCSK5\/8-100","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-4-100-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk3-4-100","title":"3\/4\"-100 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK3\/4-100","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink bit designed for precision metal fabrication and high-accuracy machined components.\u003c\/p\u003e\n\u003cp\u003eDiameter 3\/4 inch, 3-flute geometry, 100-degree included angle, and a 1\/2 inch round shank, constructed from HSS.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 100 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS construction provides high hardness and wear resistance for metalworking applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCutting geometry\u003c\/strong\u003e: 3-flute design with 100-degree included angle supports efficient material removal, clean countersinks, and uniform seating for flat-head fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: Round 1\/2 inch shank ensures compatibility with standard drill chucks and countersink holders for quick tool changes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: suitable for machine shops, metal fabrication facilities, automotive assembly, and equipment manufacturing requiring precise countersinking and flush mounting of fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444176663,"sku":"DEWCSK3\/4-100","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"7-8-100-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk7-8-100","title":"7\/8\"-100 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK7\/8-100","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial-grade countersink designed for professional machining and assembly workflows. This precision tool delivers consistent flush countersinking for flat-head fasteners in metalworking and manufacturing environments.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter:\u003c\/b\u003e 7\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAngle:\u003c\/b\u003e 100°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank:\u003c\/b\u003e Round, 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003e3-flute design:\u003c\/b\u003e Efficient chip clearance and smoother edge break for clean countersinks.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e100° included angle:\u003c\/b\u003e Optimized seating for standard flat-head fasteners, reducing over-penetration.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHigh-Speed Steel (HSS) construction:\u003c\/b\u003e Wear resistance and heat tolerance suitable for metalworking and mixed-material applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRound shank:\u003c\/b\u003e 1\/2 inch diameter enables compatibility with common drill chucks, CNC spindles, and countersink holders.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Fabrication, machine maintenance, and assembly operations requiring flush seating of flat-head screws in steel, aluminum, and plastics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444209431,"sku":"DEWCSK7\/8-100","price":24.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-100-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk1-100","title":"1\"-100 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK1-100","description":"\u003cdiv\u003eIndustrial countersink tooling for precise hole preparation in metal fabrication and machining. These high-speed steel countersinks are designed for round-shank integration and consistent chamfer quality. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCountersink diameter\u003c\/b\u003e: one inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: one-half inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: one hundred degrees\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003e3-flute geometry\u003c\/b\u003e facilitates efficient chip evacuation and smooth surface finish on countersinks\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHigh-Speed Steel\u003c\/b\u003e construction provides wear resistance and elevated hot hardness for repeated use in metal fabrication\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRound shank\u003c\/b\u003e design supports compatibility with standard 1\/2 inch collets and drill chucks\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e100 degrees included angle\u003c\/b\u003e standardizes seating for flat-head fasteners and consistent chamfer depth\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIndustry use cases\u003c\/b\u003e include hole chamfering in sheet metal, structural plate, automotive assemblies, and general industrial fabrication\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444569879,"sku":"DEWCSK1-100","price":27.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-4-120-deg-3-flute-countersink-3-16-round-shank-hss_dewcsk1-4-120","title":"1\/4\"-120 Degree 3 Flute Countersink | HSS | 3\/16\" Round Shank | DEWCSK1\/4-120","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersinking tools for precision hole preparation in metalworking and fabrication environments.\u003c\/p\u003e\n\u003cp\u003eThe tool features a 1\/4 inch diameter countersink with a 120 degree angle, 3 flute geometry, and a 3\/16 inch round shank, produced from High-Speed Steel (HSS).\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Countersink diameter 1\/4 inch; Shank diameter 3\/16 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute count\u003c\/b\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCountersink angle\u003c\/b\u003e: 120 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Round\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eUse case\u003c\/b\u003e: Countersinking holes in metalworking and fabrication operations to produce flush seating surfaces for standard fasteners\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFunctional benefits\u003c\/b\u003e: \u003cul\u003e \u003cli\u003e\n\u003cb\u003e3 flute geometry\u003c\/b\u003e supports efficient chip evacuation and smooth entry\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e120 degree countersink angle\u003c\/b\u003e provides consistent chamfer depth across holes\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRound shank\u003c\/b\u003e offers compatibility with standard tool holders and collets\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS yields high hardness and wear resistance at typical machine speeds\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444832023,"sku":"DEWCSK1\/4-120","price":5.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-8-120-deg-3-flute-countersink-1-4-round-shank-hss_dewcsk3-8-120","title":"3\/8\"-120 Degree 3 Flute Countersink | HSS | 1\/4\" Round Shank | DEWCSK3\/8-120","description":"\u003cdiv\u003eIndustrial countersinking tool engineered for precision chamfering in metalworking and fabrication environments. It features a 3 flute geometry and a round 1\/4 inch shank for compatibility with common drill chucks and tool holders. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 3\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 120 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute count\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Countersinking for flush mounting and chamfering in metal assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeometry\u003c\/strong\u003e: 3 flute design supports efficient chip removal and reduces chatter.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 120 degrees provides standard countersink geometry for machine screws.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: Round 1\/4 inch shank ensures compatibility with standard collets and drill chucks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel construction delivers wear resistance and heat tolerance during metal cutting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444864791,"sku":"DEWCSK3\/8-120","price":6.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-2-120-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk1-2-120","title":"1\/2\"-120 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK1\/2-120","description":"\u003cdiv\u003eIndustrial countersinking tooling for metal fabrication, machining, and assembly operations. This 1\/2\" diameter 120° countersink with a 3\/8\" round shank is built from high-speed steel for durability in demanding industrial environments. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e: 1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle\u003c\/strong\u003e: 120°\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 3\/8\" Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDurability\u003c\/strong\u003e: High-speed steel construction provides wear resistance and extended tool life under common metalworking conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChip Evacuation\u003c\/strong\u003e: 3-flute design promotes efficient chip removal and smooth countersinking at typical feed rates.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecision\u003c\/strong\u003e: 120° countersink angle yields consistent flush seating for standard flat head screws in steel, aluminum, and other fabrication materials.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank Compatibility\u003c\/strong\u003e: 3\/8\" Round shank fits standard drill chucks and CNC tool holders, enabling broad machine compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Suitable for through holes and blind holes where flush alignment of fasteners is required in industrial assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444963095,"sku":"DEWCSK1\/2-120","price":7.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"5-8-120-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk5-8-120","title":"5\/8\"-120 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK5\/8-120","description":"\u003cdiv\u003eIndustrial-grade countersink tooling for metal fabrication and machining environments. This 5\/8 inch diameter, 120 degree, 3 flute countersink uses a 3\/8 inch round shank made from High Speed Steel for reliable performance in demanding manufacturing applications. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 5\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 120°\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 3\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDrive type\u003c\/b\u003e: Round shank\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS provides high wear resistance and heat tolerance suitable for metal cutting and countersinking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGeometry\u003c\/b\u003e: 3 flute design supports efficient chip evacuation and smooth countersink quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 120 degree countersink geometry yields standard chamfer for fasteners in metal assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank compatibility\u003c\/b\u003e: 3\/8 inch round shank fits standard drill chucks and tool holders in industrial equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Chamfering holes and deburring edges in steel, aluminum, cast iron, and other common fabrication materials for machine frames, enclosures, automotive components, and aerospace manufacturing support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412444995863,"sku":"DEWCSK5\/8-120","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-4-120-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk3-4-120","title":"3\/4\"-120 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK3\/4-120","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial-grade countersink tooling for metal fabrication and precision assembly. This 3\/4 inch diameter, 120 degree, 3 flute countersink with a 1\/2 inch round shank uses HSS construction for reliable performance in demanding workloads.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter:\u003c\/b\u003e 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAngle:\u003c\/b\u003e 120 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter:\u003c\/b\u003e 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eFlute count:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute geometry:\u003c\/b\u003e 3-flute countersink\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e HSS (High Speed Steel) for wear resistance and elevated temperature tolerance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eChip evacuation:\u003c\/b\u003e efficient debris clearance with reduced chatter during countersinking\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eUse case:\u003c\/b\u003e countersinking for flat-head fasteners in metal fabrication, automotive assemblies, and industrial equipment\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank compatibility:\u003c\/b\u003e 1\/2 inch round shank designed for standard toolholding, including common collets and drive systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445028631,"sku":"DEWCSK3\/4-120","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"7-8-120-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk7-8-120","title":"7\/8\"-120 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK7\/8-120","description":"\u003cdiv\u003eIndustrial-grade countersinking tool optimized for precision chamfering and fastener seating in metalworking and fabrication environments. Built from High-Speed Steel with a 1\/2\" round shank, the 7\/8\" cutting diameter and 120° included angle deliver consistent results in demanding applications. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCutting diameter\u003c\/b\u003e: 7\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: 120°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 1\/2\" round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003ePrimary use\u003c\/b\u003e: Chamfering and flush seating for machine screws in metalworking, fabrication, and maintenance tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCutting geometry\u003c\/b\u003e: 120° included angle with 3 flutes for balanced material removal and clean chamfers.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: High-Speed Steel (HSS) provides wear resistance and heat tolerance under typical machining conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: 1\/2\" round shank suitable for standard drill chucks and tooling adapters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445094167,"sku":"DEWCSK7\/8-120","price":24.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-120-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk1-120","title":"1\"-120 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK1-120","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersinking tooling for precision hole preparation in metalworking and fabrication.\u003c\/p\u003e\n\u003cp\u003eThe countersink described is a 1 inch diameter, 120 degree, 3-flute bit with a 1\/2 inch round shank made from HSS.\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 1 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCountersink angle\u003c\/strong\u003e: 120 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-flute design\u003c\/strong\u003e: Enables efficient chip evacuation and smoother cutting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e120 degree countersink angle\u003c\/strong\u003e: Provides flush seating and standard chamfer for fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS construction\u003c\/strong\u003e: Delivers wear resistance and reliable cutting performance across common metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRound shank\u003c\/strong\u003e: Ensures compatibility with most drill chucks and power tools.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial grade tooling\u003c\/strong\u003e: Suitable for assembly lines and fabrication environments requiring consistent countersinking results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445126935,"sku":"DEWCSK1-120","price":27.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-4-60-deg-3-flute-countersink-3-16-round-shank-hss_dewcsk1-4-60","title":"1\/4\"-60 Degree 3 Flute Countersink | HSS | 3\/16\" Round Shank | DEWCSK1\/4-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink bit for metalworking and fabrication environments. The 1\/4 inch countersink features a 60 degree angle, 3 flute geometry, and a 3\/16 inch round shank, with High Speed Steel construction for durability.\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: 1\/4 inch countersink diameter; 60 degree angle; 3 flute geometry; Shank: 3\/16 inch round\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: High Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e3 Flute design\u003c\/b\u003e: provides stable cutting and efficient material removal during countersinking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e60 Degree countersink angle\u003c\/b\u003e: standard seating for flush fastener installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRound shank\u003c\/b\u003e 3\/16 inch diameter: compatibility with common drill chucks and tool holders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445159703,"sku":"DEWCSK1\/4-60","price":5.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-8-60-deg-3-flute-countersink-1-4-round-shank-hss_dewcsk3-8-60","title":"3\/8\"-60 Degree 3 Flute Countersink | HSS | 1\/4\" Round Shank | DEWCSK3\/8-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink tooling for precision hole chamfering in metalworking and fabrication. This 3\/8 inch diameter countersink features a 3-flute geometry, a 60-degree countersink angle, and a 1\/4 inch round shank, manufactured from HSS.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Countersink diameter 3\/8 inch; Round shank diameter 1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle:\u003c\/strong\u003e 60 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type:\u003c\/strong\u003e Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade:\u003c\/strong\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCutting geometry:\u003c\/strong\u003e 3-flute design for efficient material removal and reduced chatter during hole chamfering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e HSS provides high hardness and wear resistance under typical metalworking cutting conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e Round shank enables secure engagement with standard drill chucks and collets.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Ideal for hole chamfering and deburring in metalworking, fabrication, and assembly operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445258007,"sku":"DEWCSK3\/8-60","price":6.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-2-60-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk1-2-60","title":"1\/2\"-60 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK1\/2-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersinking tools engineered for precision metalworking and fabrication. This 1\/2\" diameter, 60° countersink with 3 flute geometry is mounted on a 3\/8 inch round shank and manufactured from HSS for durability and predictable chip control.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 60°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank Diameter\u003c\/b\u003e: 3\/8 inch Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003e Cutting geometry\u003c\/b\u003e: 60° countersink with 3 flute design for efficient chip evacuation and consistent seating of flat-head fasteners\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS (High-Speed Steel) provides high hardness, wear resistance, and temperature tolerance during machining\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank compatibility\u003c\/b\u003e: 3\/8 inch round shank supports standard drill chucks and automated tooling\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: suitable for countersinking holes in metal panels, machinery housings, enclosures, and fabrication components; facilitates flush fastener seating and deburring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445290775,"sku":"DEWCSK1\/2-60","price":7.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"5-8-60-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk5-8-60","title":"5\/8\"-60 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK5\/8-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial cutting tools for metalworking and fabrication. Precision countersink with a 5\/8 inch diameter, 60 degree included angle, 3-flute design, and a 3\/8 inch round shank delivers clean chamfers and precise screw seating in machined holes.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter:\u003c\/b\u003e 5\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle:\u003c\/b\u003e 60 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter:\u003c\/b\u003e 3\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThree-flute design:\u003c\/b\u003e optimized chip clearance and stable cutting for smooth chamfers in ferrous and non-ferrous metals.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e60 degrees included angle:\u003c\/b\u003e standard countersink geometry suitable for flush seating of common flat head and oval head fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High Speed Steel (HSS) provides high wear resistance and hot hardness for repeated use in metalworking environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type:\u003c\/b\u003e round shank compatibility with standard drill chucks and tool holders for quick tool changes.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e countersinking holes in steel, aluminum, and cast iron for reliable screw seating in fabrication, automotive, and machinery assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445356311,"sku":"DEWCSK5\/8-60","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-4-60-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk3-4-60","title":"3\/4\"-60 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK3\/4-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink tool designed for precision metalworking in challenging environments. The 3\/4 inch diameter, 60° included angle countersink features a 1\/2 inch round shank and HSS construction to deliver reliable performance.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 3\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 60°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute count\u003c\/strong\u003e: 3-flute\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 1\/2 inch Round Shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-flute design\u003c\/strong\u003e: Efficient material removal during countersinking to improve hole quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60° included angle\u003c\/strong\u003e: Standard for flush seating of flat-head fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound shank\u003c\/strong\u003e: 1\/2 inch shank diameter compatible with standard drill chucks and adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS for wear resistance and heat tolerance in metalworking. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse case\u003c\/strong\u003e: Countersinking holes for flat-head screws in metalworking applications. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445389079,"sku":"DEWCSK3\/4-60","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"7-8-60-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk7-8-60","title":"7\/8\"-60 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK7\/8-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink tooling for precision metalworking applications. This 7\/8 inch diameter countersink features a 60 degree included angle, a 3-flute geometry, and a 1\/2 inch round shank, constructed from High Speed Steel (HSS).\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 7\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e Included angle\u003c\/b\u003e: 60 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445421847,"sku":"DEWCSK7\/8-60","price":24.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-60-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk1-60","title":"1\"-60 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK1-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial cutting tools for precision countersinking in metal fabrication and assembly. This product features a 1\" countersink diameter, 60° included angle, 3-flute geometry, on a 1\/2\" round shank, and constructed from HSS.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCounter sink diameter:\u003c\/b\u003e 1\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle:\u003c\/b\u003e 60°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter:\u003c\/b\u003e 1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type:\u003c\/b\u003e Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eFlute configuration:\u003c\/b\u003e 3-flute countersink geometry for efficient chip evacuation.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCutting geometry:\u003c\/b\u003e 60° included angle optimized for standard countersinking.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank:\u003c\/b\u003e 1\/2\" round shank for compatibility with common drill chucks and toolholders.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e HSS (High Speed Steel) for metalworking durability.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e countersinking holes to seating depth for fasteners and surface finish in metal components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445520151,"sku":"DEWCSK1-60","price":27.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-1-4-60-deg-3-flute-countersink-3-4-round-shank-hss_dewcsk1-1-4-60","title":"1-1\/4\"-60 Degree 3 Flute Countersink | HSS | 3\/4\" Round Shank | DEWCSK1-1\/4-60","description":"\u003cdiv\u003ePrecision countersink tool designed for industrial machining and metalworking applications. It features a 1-1\/4\" countersink diameter with 60° geometry, 3 flute configuration, and a 3\/4\" round shank in HSS construction for durable performance. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Countersink diameter 1-1\/4\", angle 60°, Flutes: 3, Shank diameter 3\/4\" Round Shank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCutting geometry:\u003c\/b\u003e 60° countersink angle provides standard chamfering for metalworking applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute count:\u003c\/b\u003e 3 for balanced chip evacuation and smooth surface finish.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-speed steel (HSS) construction for heat resistance and wear performance in industrial drilling and countersinking.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type:\u003c\/b\u003e Round 3\/4\" shank compatible with common drill chucks and fixtures.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Countersinking holes in metal, including steel and aluminum, using machine tools, jigs, and fixtures for flush head screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445585687,"sku":"DEWCSK1-1\/4-60","price":64.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-1-2-60-deg-3-flute-countersink-3-4-round-shank-hss_dewcsk1-1-2-60","title":"1-1\/2\"-60 Degree 3 Flute Countersink | HSS | 3\/4\" Round Shank | DEWCSK1-1\/2-60","description":"\u003cdiv\u003eIndustrial cutting tools for precision countersinking in metalworking and fabrication. The 1-1\/2\"-60° 3 Flute Countersink with a 3\/4\" Round Shank is manufactured in HSS to withstand typical machining conditions. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCountersink diameter\u003c\/strong\u003e: 1-1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 60°\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 3\/4\" Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute count\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Precision countersinking for screw seating and burr removal in metalworking and fabrication workflows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High Speed Steel (HSS) provides temperature resistance suitable for common metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeometry\u003c\/strong\u003e: 60° included angle optimized for standard flat-head screw profiles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute design\u003c\/strong\u003e: 3-flute configuration enables efficient chip evacuation and smooth entry.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 3\/4\" Round shank compatible with standard tool holders and collets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445618455,"sku":"DEWCSK1-1\/2-60","price":83.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-4-82-deg-3-flute-countersink-3-16-round-shank-hss_dewcsk1-4-82","title":"1\/4\"-82 Degree 3 Flute Countersink | HSS | 3\/16\" Round Shank | DEWCSK1\/4-82","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersinks designed for precision metalworking and fabrication environments.\u003c\/p\u003e\n\u003cp\u003eThis 82-degree, 3-flute HSS countersink features a 3\/16 inch round shank suitable for standard drill chucks and fixtures, enabling consistent flush countersinking in production settings.\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 1\/4\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 82°\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank size\u003c\/strong\u003e: 3\/16\" Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS (High Speed Steel) with high heat resistance and edge retention for metalworking applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Suitable for countersinking standard flat-head fasteners in aluminum, steel, and brass components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle\u003c\/strong\u003e: 82° countersink angle aligns with standard flush finish requirements for screw seating.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute geometry\u003c\/strong\u003e: 3-flute design provides balanced rigidity and improved chip evacuation during milling and drilling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 3\/16\" round shank ensures compatibility with common drill chucks and fixtures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUsage\u003c\/strong\u003e: Applicable to CNC milling, drill presses, and handheld drilling fixtures in production and fabrication environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445651223,"sku":"DEWCSK1\/4-82","price":5.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-8-82-deg-3-flute-countersink-1-4-round-shank-hss_dewcsk3-8-82","title":"3\/8\"-82 Degree 3 Flute Countersink | HSS | 1\/4\" Round Shank | DEWCSK3\/8-82","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial cutting tools for metal fabrication and precision machining. The 3\/8 inch countersink features an 82 degree included angle, three flutes, a 1\/4 inch round shank, and is manufactured from High Speed Steel for wear resistance.\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 3\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: 82 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: High Speed Steel\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: High Speed Steel (HSS) countersink providing wear resistance and edge retention during cutting operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCutting geometry\u003c\/b\u003e: 82 degree included angle optimized for standard chamfers in metal, including steel and aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChip evacuation\u003c\/b\u003e: Three flute design facilitates efficient chip removal and smooth entry into workpiece\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank compatibility\u003c\/b\u003e: Round shank compatible with common drill chucks and automated handling\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Chamfering and deburring holes prior to fastener installation in fabrication, automotive, and machinery assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445683991,"sku":"DEWCSK3\/8-82","price":6.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-2-82-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk1-2-82","title":"1\/2\"-82 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK1\/2-82","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial-grade countersink for precision chamfering in metalworking and manufacturing environments. The tool features a 1\/2 inch diameter countersink, 82° angle, 3-flute design, and a 3\/8 inch round shank, manufactured from High-Speed Steel.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Countersink diameter: 1\/2 inch; Shank diameter: 3\/8 inch; Shank type: Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAngle:\u003c\/b\u003e 82 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlutes:\u003c\/b\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Round shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e3-flute design:\u003c\/b\u003e Provides balanced cutting action and enables efficient chip evacuation during countersinking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e82° countersink angle:\u003c\/b\u003e Creates standard flush seating for fasteners in typical assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-Speed Steel (HSS) substrate offers wear resistance and heat tolerance for metalworking applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank:\u003c\/b\u003e Round, 3\/8 inch diameter, compatible with standard drill chucks and countersink fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Countersinking, deburring, and chamfering operations on machine parts, enclosures, and panel assemblies in fabrication and manufacturing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445782295,"sku":"DEWCSK1\/2-82","price":7.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-2-82-deg-3-flute-countersink-1-4-round-shank-hss_dewcsk1-2-82x1-4","title":"1\/2\"-82 Degree 3 Flute Countersink | HSS | 1\/4\" Round Shank | DEWCSK1\/2-82X1\/4","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersinks designed for precision metalworking and fabrication environments. This tool combines a 1\/2 inch countersink diameter, 82 degrees included angle, 3 flute configuration, and a 1\/4 inch round shank in High-Speed Steel to deliver robust cutting performance.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCountersink diameter\u003c\/b\u003e: 1\/2 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: 82 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThree-flute design\u003c\/b\u003e: Provides balanced cutting action and improved chip clearance in metalworking operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 82 degrees countersink geometry enables flush seating for standard flat-head fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: \u003cb\u003eHigh-Speed Steel\u003c\/b\u003e (HSS) offers hardness and heat resistance suitable for repeated countersinking cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: \u003cb\u003eRound\u003c\/b\u003e shank with \u003cb\u003ediameter\u003c\/b\u003e 1\/4 inch ensures compatibility with common drill chucks and tool holders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Ideal for producing flush-mounted fasteners in steel, aluminum, and other metal substrates within industrial fabrication, machining, and assembly contexts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445815063,"sku":"DEWCSK1\/2-82X1\/4","price":7.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"5-8-82-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk5-8-82","title":"5\/8\"-82 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK5\/8-82","description":"\u003cdiv\u003eIndustrial countersink tool for metal fabrication and precision machining. The 5\/8\" countersink features 82° included angle, 3 flute geometry, a 3\/8\" round shank, and HSS material for durable performance in demanding environments. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: Countersink diameter 5\/8\", shank diameter 3\/8\", included angle 82°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type\u003c\/b\u003e: Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003e3 flute countersink\u003c\/b\u003e design facilitates efficient chip clearance and consistent countersink quality.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e82° included angle\u003c\/b\u003e enables flush seating for standard flat-head fasteners in metal assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e is \u003cb\u003eHSS\u003c\/b\u003e (High Speed Steel) for high wear resistance at typical machining speeds.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e is \u003cb\u003eRound\u003c\/b\u003e, 3\/8\" diameter, compatible with common drill chucks and milling machine tooling headers.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Through-holes and countersinking operations in steel, aluminum, and other alloys requiring precise, repeatable chamfer quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445847831,"sku":"DEWCSK5\/8-82","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-4-82-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk3-4-82","title":"3\/4\"-82 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK3\/4-82","description":"\u003cdiv\u003eIndustrial precision countersinks for metal fabrication, machining, and assembly applications. This tool delivers consistent chamfering and hole deburring with a 3\/4 inch countersink diameter, 82 degree angle, 3 flute geometry, and a 1\/2 inch round shank forged from High-Speed Steel (HSS). \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCountersink diameter\u003c\/strong\u003e: 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCountersink angle\u003c\/strong\u003e: 82 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3 flute geometry\u003c\/strong\u003e: Enables efficient chip evacuation and smoother edge finish during countersinking, reducing heat buildup and tool clogging.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e82 degree countersink angle\u003c\/strong\u003e: Provides standard chamfer for flush seating of flat-head screws and consistent hole preparation in metal workpieces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Steel (HSS)\u003c\/strong\u003e construction: Delivers high wear resistance and heat tolerance for repeated use across ferrous and non-ferrous materials.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRound shank compatibility\u003c\/strong\u003e: Fits standard drill chucks and machine tool collets with secure drive and minimal runout.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Hole preparation, deburring, and chamfering in automotive, aerospace, industrial equipment, and general metal fabrication. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412445913367,"sku":"DEWCSK3\/4-82","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"7-8-82-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk7-8-82","title":"7\/8\"-82 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK7\/8-82","description":"\u003cdiv\u003eIndustrial-grade countersinks designed for precision countersinking and deburring in metalworking and fabrication environments. These tools deliver accurate angle control, robust flute geometry, and a round shank for compatibility with standard tool holders in high-volume production settings. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 7\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle:\u003c\/strong\u003e 82°\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e 1\/2\" Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e HSS provides elevated wear resistance and hot hardness for extended tool life in metalworking environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3 Flute geometry:\u003c\/strong\u003e Enhances chip evacuation and reduces chatter for cleaner countersinks in ferrous and non-ferrous materials.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e82° countersink angle:\u003c\/strong\u003e Delivers precise counterbore and flush seating for fastener heads with vertical walls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e 1\/2\" Round shank is compatible with standard drill chucks and automated tooling setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Ideal for precision countersinking, deburring, and surface finishing in fabrication shops, CNC mills, and production environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446109975,"sku":"DEWCSK7\/8-82","price":24.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-82-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk1-82","title":"1\"-82 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK1-82","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink tool designed for precision metalworking. This 82 degree, 3 flute design uses a 0.5 inch round shank and High-Speed Steel construction for durability in demanding fabrication environments.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCutting diameter:\u003c\/b\u003e 1 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCountersink angle:\u003c\/b\u003e 82 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute count:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter:\u003c\/b\u003e 0.5 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-Speed Steel (HSS) for temperature resistance and wear resistance in metal removal operations\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute geometry:\u003c\/b\u003e 3 flute design for efficient chip evacuation and smooth cutting action\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCountersink angle:\u003c\/b\u003e 82 degrees suitable for flush seating of standard flat-head screws in metalwork\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank:\u003c\/b\u003e 0.5 inch round shank compatible with common drill chucks and milling machines\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Countersinking in automotive, aerospace, general fabrication, and structural metal assemblies requiring precise countersink geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446142743,"sku":"DEWCSK1-82","price":27.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-1-4-82-deg-3-flute-countersink-3-4-round-shank-hss_dewcsk1-1-4-82","title":"1-1\/4\"-82 Degree 3 Flute Countersink | HSS | 3\/4\" Round Shank | DEWCSK1-1\/4-82","description":"\u003cdiv\u003eIndustrial countersink tool for precision screw seating in metalworking, fabrication, and assembly environments. This 1-1\/4 inch countersink, 82° included angle, 3 flute geometry, and 3\/4 inch round shank is constructed from High-Speed Steel (HSS). \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Countersink diameter 1-1\/4 inch; Shank diameter 3\/4 inch round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle:\u003c\/b\u003e 82°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e HSS (High-Speed Steel) provides wear resistance and edge retention during high-speed countersinking\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute geometry:\u003c\/b\u003e 3 flute design enhances chip clearance and enables efficient material removal\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle:\u003c\/b\u003e 82° compatibility with common flat-head screw profiles for flush seating\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank:\u003c\/b\u003e 3\/4 inch round shank ensures compatibility with standard tool holders\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Suitable for countersinking in metal components, fixtures, and assemblies in machine shops and fabrication environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446175511,"sku":"DEWCSK1-1\/4-82","price":64.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-1-2-82-deg-3-flute-countersink-3-4-round-shank-hss_dewcsk1-1-2-82","title":"1-1\/2\"-82 Degree 3 Flute Countersink | HSS | 3\/4\" Round Shank | DEWCSK1-1\/2-82","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial-grade countersink tools designed for metal fabrication and precision machining environments. The 82 degree, 3 flute countersink features a 3\/4 inch round shank and is manufactured from High Speed Steel to deliver durable, repeatable chamfers in production settings.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eCountersink diameter:\u003c\/b\u003e 1-1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter:\u003c\/b\u003e 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eFlute count:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCountersink angle:\u003c\/b\u003e 82 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank:\u003c\/b\u003e round, 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e HSS\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e metal fabrication, automotive components, equipment housings, and general machining tasks requiring precise chamfering and flush countersinking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446208279,"sku":"DEWCSK1-1\/2-82","price":83.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-4-90-deg-3-flute-countersink-3-16-round-shank-hss_dewcsk1-4-90","title":"1\/4\"-90 Degree 3 Flute Countersink | HSS | 3\/16\" Round Shank | DEWCSK1\/4-90","description":"\u003cdiv\u003eIndustrial precision countersinks for hole chamfering, deburring, and edge finishing in metalworking and fabrication environments. This 90 degree, 3 flute countersink features a 3\/16 inch round shank and is manufactured from High Speed Steel. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 3\/16 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle\u003c\/strong\u003e: 90 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFlute count\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCountersink angle\u003c\/strong\u003e: 90 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Chamfering and deburring hole edges in metalworking and assembly operations\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChip evacuation\u003c\/strong\u003e: Efficient with 3 flute geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446372119,"sku":"DEWCSK1\/4-90","price":5.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-8-90-deg-3-flute-countersink-1-4-round-shank-hss_dewcsk3-8-90","title":"3\/8\"-90 Degree 3 Flute Countersink | HSS | 1\/4\" Round Shank | DEWCSK3\/8-90","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersinks manufactured in High-Speed Steel for precision countersinking in metalworking and fabrication. This 3\/8″ diameter countersink features a 90° angle, 3 flutes, and a 1\/4″ round shank designed for compatibility with standard milling holders and CNC collets.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter:\u003c\/b\u003e 3\/8″\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCountersink angle:\u003c\/b\u003e 90°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank:\u003c\/b\u003e 1\/4″ round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThree-flute design:\u003c\/b\u003e Improves chip evacuation and provides a cleaner finish in metal and plastic during countersinking operations.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003e90° countersink angle:\u003c\/b\u003e Enables flush seating for standard flat-head screws and consistent countersink depth.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-Speed Steel (HSS) offers hardness and heat resistance for repeated tool life at typical machining speeds.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank interface:\u003c\/b\u003e 1\/4″ round shank provides compatibility with common milling and CNC tool holders, ensuring secure grip and minimizing runout.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Suitable for creating flush countersinks in sheet metal, aluminum components, and plastic enclosures used in industrial equipment and assembly lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446404887,"sku":"DEWCSK3\/8-90","price":6.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-2-90-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk1-2-90","title":"1\/2\"-90 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK1\/2-90","description":"\u003cdiv\u003eIndustrial countersinking tooling for precision hole preparation in metalworking and fabrication. This 1\/2\" diameter, 90° countersink features a 3\/8\" round shank and High Speed Steel construction for demanding applications. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 90°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: 3\/8\" Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS (High Speed Steel)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThree-flute geometry\u003c\/b\u003e enables efficient chip evacuation and smooth hole finishing during countersinking operations.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCountersink angle\u003c\/b\u003e is 90° to create standard flush seating for common fasteners and reduce seating variance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRound shank\u003c\/b\u003e design \u003cb\u003e3\/8\"\u003c\/b\u003e provides reliable retention and compatibility with standard drill chucks and holders.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e is HSS, delivering superior wear resistance and hot hardness for repeated countersinking cycles in metalworking.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e include screw-seat preparation and hole chamfering for machine components, fixtures, and enclosures in industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSurface interaction\u003c\/b\u003e supports clean edge conditioning and burr reduction at the entry of countersunk holes. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446470423,"sku":"DEWCSK1\/2-90","price":7.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"5-8-90-deg-3-flute-countersink-3-8-round-shank-hss_dewcsk5-8-90","title":"5\/8\"-90 Degree 3 Flute Countersink | HSS | 3\/8\" Round Shank | DEWCSK5\/8-90","description":"\u003cdiv\u003eIndustrial countersinks for precision metalworking and fabrication operations. This item provides accurate chamfering of drilled holes with a 5\/8 inch diameter countersink, 90 degree angle, 3-flute design, and a 3\/8 inch round shank, formed from High-Speed Steel. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 5\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 90°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute count\u003c\/b\u003e: 3 flute\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: 3\/8 inch Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eProfile\u003c\/b\u003e: Countersink\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: High-Speed Steel (HSS) for heat resistance and durability in metalworking environments\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute design\u003c\/b\u003e: 3-flute configuration optimizes chip evacuation and provides smooth entry in metallic substrates\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCountersink angle\u003c\/b\u003e: 90 degrees delivers standard chamfer for flat-head screws and seating clarity\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank compatibility\u003c\/b\u003e: 3\/8 inch Round shank compatible with common tool holders and collets in machine tools\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication\u003c\/b\u003e: Ideal for hole chamfering, screw seating preparation, and precision fabrication across metalworking, manufacturing, and assembly operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446699799,"sku":"DEWCSK5\/8-90","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"3-4-90-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk3-4-90","title":"3\/4\"-90 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK3\/4-90","description":"\u003cdiv\u003eIndustrial countersink tool engineered for precision chamfering and deburring in metalworking environments. This 3\/4\" diameter countersink features a 1\/2\" round shank, 3 flutes, and a 90° angle, manufactured from HSS. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: 3\/4\" diameter; 1\/2\" round shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 90°\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDrive type\u003c\/b\u003e: Round shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e3 Flute design\u003c\/b\u003e: Countersink geometry optimized for efficient material removal during hole chamfering\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS (High Speed Steel) provides wear resistance and heat tolerance in metalworking environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: Round 1\/2\" shank ensures compatibility with standard drill chucks and tool holders\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Countersinking holes for flush or pan-head screws in metal fabrication and assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446732567,"sku":"DEWCSK3\/4-90","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"7-8-90-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk7-8-90","title":"7\/8\"-90 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK7\/8-90","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersinks for precision chamfering in metalworking and fabrication environments. The product features a 7\/8\" diameter, 90° countersink with 3 flutes and a 1\/2\" round shank, constructed from HSS for durability.\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 7\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle\u003c\/strong\u003e: 90°\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 1\/2\" Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-flute design\u003c\/strong\u003e enables efficient chip evacuation and smooth countersinking.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e90° countersink angle\u003c\/strong\u003e provides standard chamfer depth for metal holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRound shank\u003c\/strong\u003e: 1\/2\" to fit common tool holders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS for high hardness and heat resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446765335,"sku":"DEWCSK7\/8-90","price":24.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"1-90-deg-3-flute-countersink-1-2-round-shank-hss_dewcsk1-90","title":"1\"-90 Degree 3 Flute Countersink | HSS | 1\/2\" Round Shank | DEWCSK1-90","description":"\u003cdiv\u003eIndustrial-grade countersinks designed for precision chamfering and screw seating in metalworking environments. These tools are optimized for machine shop use with standard shank interfaces and robust HSS construction. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDiameter:\u003c\/b\u003e 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncluded angle:\u003c\/b\u003e 90 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlutes:\u003c\/b\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank size:\u003c\/b\u003e 1\/2 inch Round Shank\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e3-flute design\u003c\/b\u003e enables efficient chip clearance and smooth cutting in metalworking operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e90° countersink angle\u003c\/b\u003e yields standard flush seating for screws and improves chamfer consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Speed Steel (HSS)\u003c\/b\u003e construction provides wear resistance suitable for typical machine shop speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRound shank\u003c\/b\u003e supports reliable clamping in drill chucks and toolholding systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Countersinking drilled holes in metal plates and components; deburring edges; preparing fastener seating surfaces for flush screw heads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446798103,"sku":"DEWCSK1-90","price":27.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/15.jpg?v=1779456050"},{"product_id":"5-8-60-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk5-8-60","title":"5\/8\"-60 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK5\/8-60","description":"\u003cdiv\u003e\n\u003cp\u003eProfessional metalworking countersinks designed for precision countersinking in CNC and manual machining environments. This product features a 5\/8 inch diameter, 60 degree countersink with 4 flute geometry, a 1\/2 inch round shank, and HSS construction for robust performance.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e (Countersink): 5\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAngle\u003c\/strong\u003e: 60 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute configuration\u003c\/strong\u003e: 4 flute countersink geometry designed for efficient cutting and chip evacuation in metal substrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel (HSS) substrate provides wear resistance and heat tolerance during high-speed machining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Suitable for countersinking holes to create standard chamfers for machine screws, improving seating and reducing edge burrs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank compatibility\u003c\/strong\u003e: Round 1\/2 inch shank fits standard tool holders and collet chucks in CNC mills, drill presses, and manual milling machines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachining performance\u003c\/strong\u003e: Maintains edge retention under typical production speeds, enabling repeatable hole preparation and consistent finish quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446830871,"sku":"DEWMSK5\/8-60","price":12.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"3-4-60-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk3-4-60","title":"3\/4\"-60 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK3\/4-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink tool for precision hole preparation in metalworking and fabrication environments. The tool features a 3\/4 inch diameter, 60° included angle, 4-flute geometry, and a 1\/2 inch round shank made from HSS for durable performance.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 3\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: 60°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank size\u003c\/b\u003e: 1\/2 inch Round Shank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446863639,"sku":"DEWMSK3\/4-60","price":25.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"7-8-60-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk7-8-60","title":"7\/8\"-60 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK7\/8-60","description":"\u003cdiv\u003eIndustrial-grade machine countersink designed for precision countersinking in metalworking and fabrication environments. This tool features 7\/8\" diameter, 60° included angle, 4 flute geometry, and a 1\/2\" round shank, manufactured from HSS. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions\u003c\/b\u003e: 7\/8\" diameter countersink with 60° included angle; Shank: 1\/2\" round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eGeometric design\u003c\/b\u003e: 60° included angle with 4 flute machine countersink for efficient material removal and clean countersinks\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS (High-Speed Steel) offers wear resistance and thermal tolerance for prolonged tool life\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: 1\/2\" round shank compatible with standard tool holders and CNC chucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446896407,"sku":"DEWMSK7\/8-60","price":31.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"1-60-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk1-60","title":"1\"-60 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK1-60","description":"\u003cdiv\u003eIndustrial-grade countersinks engineered for precision material removal in metalworking and fabrication environments. The 60-degree, four-flute design with a round shank supports reliable seating and clean finish in production settings. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eBody diameter:\u003c\/b\u003e 1 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter:\u003c\/b\u003e 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAngle:\u003c\/b\u003e 60 degrees\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute count:\u003c\/b\u003e 4\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eFlute configuration:\u003c\/b\u003e 4-flute machine countersink geometry for efficient chip evacuation and a smooth chamfer\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type:\u003c\/b\u003e Round shank, 1\/2 inch diameter, compatible with CNC, drill press, and milling holders\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAngle:\u003c\/b\u003e 60 degrees designed for standard flat-head and low-profile fastener seating\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-Speed Steel (HSS) provides wear resistance and durability in metalworking environments\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e countersinking holes for bolt heads in metal fabrication, automotive assemblies, and machinery enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446961943,"sku":"DEWMSK1-60","price":30.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"1-1-4-60-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk1-1-4-60","title":"1-1\/4\"-60 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK1-1\/4-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial-grade countersink tooling for precision chamfering in metalworking and machining environments. The 1-1\/4 inch countersink features 60 degree geometry, 4 flutes, and a 1\/2 inch round shank forged from HSS for durable performance in automated and manual machines.\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 1-1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAngle\u003c\/b\u003e: 60°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003ePrimary use\u003c\/b\u003e: Countersinking holes with a 60 degree chamfer in metalworking and machining operations\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS construction provides wear resistance and suitability for use in high-speed machining\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute design\u003c\/b\u003e: 4 flute geometry enhances chip evacuation and contributes to a cleaner chamfer finish\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank compatibility\u003c\/b\u003e: 1\/2 inch round shank compatible with standard tool holders and drill chucks\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication\u003c\/b\u003e: Suitable for machine countersinking in milling, drilling, and CNC operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412446994711,"sku":"DEWMSK1-1\/4-60","price":68.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"1-1-2-60-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk1-1-2-60","title":"1-1\/2\"-60 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK1-1\/2-60","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersink tool designed for precision chamfering in metalworking and machine shop environments.\u003c\/p\u003e\n\u003cp\u003eIt features 1-1\/2 inch diameter, 60 degree included angle, four flutes, and a 1\/2 inch round shank made from high-speed steel for reliable edge retention.\u003c\/p\u003e \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 1-1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: 60 degree\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 1\/2 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank type\u003c\/b\u003e: Round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS construction provides high hardness and wear resistance at machining temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFour-flute design\u003c\/b\u003e: Enhances chip evacuation and enables smooth, consistent chamfering on metal surfaces.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: 60 degree standardizes countersink depth for common screw heads.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: 1\/2 inch round shank ensures compatibility with common machine tool chucks and collets.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Suitable for countersinking into steels, aluminum, and other alloys on milling machines, drill presses, and CNC equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412447027479,"sku":"DEWMSK1-1\/2-60","price":88.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"2-60-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk2-60","title":"2\"-60 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK2-60","description":"\u003cdiv\u003e\n\u003cp\u003eProfessional-grade machine countersinks for precision hole finishing in industrial manufacturing. This 2\" diameter, 60° included angle, 4-flute countersink with a 1\/2\" round shank uses HSS construction for reliable chamfering in metalworking applications.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDiameter\u003c\/b\u003e: 2\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlutes\u003c\/b\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: 60°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank\u003c\/b\u003e: 1\/2\" round\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade\u003c\/b\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Chamfering, deburring, and countersinking drilled holes to seat fasteners in metalworking operations; suitable for CNC and manual milling workflows.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCutting geometry\u003c\/b\u003e: 60° included angle with 4 cutting edges for balanced performance and efficient chip removal.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank interface\u003c\/b\u003e: 1\/2\" round shank provides compatibility with common tool holders and collet chucks.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: HSS (High-Speed Steel) construction for wear resistance and edge retention at typical metalworking speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412447060247,"sku":"DEWMSK2-60","price":142.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"5-8-82-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk5-8-82","title":"5\/8\"-82 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK5\/8-82","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial countersinking tools engineered for precision hole preparation in metalworking and fabrication environments. The 5\/8\" diameter, 82° countersink with 4 flutes and a 1\/2\" round shank provides reliable performance on machine operations using high-speed steel.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 5\/8\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 82°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 1\/2\" Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS construction provides high wear resistance and heat tolerance during countersinking operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute configuration\u003c\/strong\u003e: 4 flute geometry enhances chip evacuation and yields cleaner entry and exit with reduced burrs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 82° delivers standard countersink geometry for flat-head fasteners and uniform recess depth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: 1\/2\" Round Shank offers compatibility with common tool holders, CNC spindles, and drill presses, ensuring secure clamping and vibration control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Suitable for machine countersinking in metal fabrication, brackets, chassis, and sheet metal assemblies across automotive, aerospace, and general manufacturing sectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412447093015,"sku":"DEWMSK5\/8-82","price":12.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"3-4-82-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk3-4-82","title":"3\/4\"-82 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK3\/4-82","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial machine tooling designed for precision countersinking in metalworking and fabrication environments.\u003c\/p\u003e\n\u003cp\u003eThis 3\/4\" diameter, 82° countersink features 4-flute geometry and a 1\/2\" round shank, manufactured from HSS for high wear resistance.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 3\/4\" diameter; 82° countersink angle; 4-flute; 1\/2\" round shank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412447125783,"sku":"DEWMSK3\/4-82","price":25.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"},{"product_id":"7-8-82-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk7-8-82","title":"7\/8\"-82 Degree 4 Flute Machine Countersink | HSS | 1\/2\" Round Shank | DEWMSK7\/8-82","description":"\u003cdiv\u003eIndustrial machine countersinks for precision metalworking and hole finishing. The 7\/8\" diameter, 82° countersink with 4 flutes and a 1\/2\" round shank is manufactured from HSS. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 7\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAngle\u003c\/strong\u003e: 82°\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 4\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank\u003c\/strong\u003e: 1\/2\" Round\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: HSS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: HSS\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute Design\u003c\/strong\u003e: 4 flute configuration for efficient chip evacuation and smooth finishing\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCountersink Angle\u003c\/strong\u003e: 82 degrees for precise chamfers and standardized hole seating\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank Compatibility\u003c\/strong\u003e: 1\/2\" round shank fits standard tool holders and collets on CNC and manual machines\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: ideal for machine centers, drill presses, and milling operations requiring precise countersinking and deburring of metal surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412447518999,"sku":"DEWMSK7\/8-82","price":31.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/34.jpg?v=1779459558"}],"url":"https:\/\/mutualscrew.com\/collections\/countersinks-1.oembed?page=5","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}