{"title":"Reduce Shank Drill Bits","description":"\u003cp\u003eThese specialized bits feature a larger cutting diameter combined with a smaller shank diameter, allowing larger bits to be used in standard 3\/8-inch or 1\/2-inch drill chucks. They are indispensable for applications requiring large hole capacity without the need for a specialized heavy-duty drill.\u003c\/p\u003e","products":[{"product_id":"17-32-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f17-32","title":"17\/32\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F17\/32","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBit diameter: 1\/2\" (0.500\")\u003c\/li\u003e \u003cli\u003eReduced shank: 17\/32\" (0.53125\")\u003c\/li\u003e \u003cli\u003eShank style: 3-flat\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eHSS construction provides wear resistance and heat tolerance for metal drilling tasks.\u003c\/li\u003e \u003cli\u003e3-flat shank design ensures secure torque transfer and minimizes slippage in tool holders.\u003c\/li\u003e \u003cli\u003eReduced shank enables use in narrower chucks or collets while maintaining a 1\/2\" cutting diameter.\u003c\/li\u003e \u003cli\u003eSingle-piece package (1 PC) simplifies procurement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCutting diameter: 1\/2\" (0.500\")\u003c\/li\u003e \u003cli\u003eReduced shank: 17\/32\" (0.53125\")\u003c\/li\u003e \u003cli\u003eShank: 3-flat\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665096471,"sku":"D\/A3F17\/32","price":14.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_76fd56e1-cd7a-4908-b39a-fbaf7b1c53be.jpg?v=1771714357"},{"product_id":"35-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f35-64","title":"35\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F35\/64","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e \u003cli\u003eDiameter: 1\/2 in (0.5\\\")\u003c\/li\u003e \u003cli\u003eLength designation: 35\/64\\\"\u003c\/li\u003e \u003cli\u003eShank: 3-Flat Shank, Reduced Shank (D\/A3F Series)\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eCoating: None (uncoated)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e3-flat shank delivers improved torque transfer and reduces slippage in drill chucks or collets\u003c\/li\u003e \u003cli\u003eReduced shank design enables use in smaller chucks or restricted-clearance setups while maintaining a 1\/2\\\" cutting diameter\u003c\/li\u003e \u003cli\u003e1\/2\\\" drilling diameter suitable for metal, plastics, or wood with appropriate feeds and speeds\u003c\/li\u003e \u003cli\u003eHSS construction supports a broad range of shop materials at typical speeds\u003c\/li\u003e \u003cli\u003eD\/A3F series interface provides stable engagement with three-flat shank tools\u003c\/li\u003e \u003cli\u003eDesigned for fabrication, maintenance, and repair tasks requiring a precise 1\/2\\\" hole\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFinish: Uncoated\u003c\/li\u003e \u003cli\u003eShank configuration: 3-Flat Shank (DA3F Series); reduced shank for clearance\u003c\/li\u003e \u003cli\u003ePieces per package: 1\u003c\/li\u003e \u003cli\u003eMachining environments: drill presses, benchtop drills, and compatible milling setups\u003c\/li\u003e \u003cli\u003eMaterials: suitable for drilling into common metals and plastics; use appropriate speeds, feeds, and lubrication\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665129239,"sku":"D\/A3F35\/64","price":14.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_49ed4e74-a19c-463e-8737-d8791b600a3c.jpg?v=1771714359"},{"product_id":"9-16-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f9-16","title":"9\/16\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F9\/16","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 PC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBit diameter:\u003c\/strong\u003e 1\/2\" (0.500 in)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter:\u003c\/strong\u003e 9\/16\" (0.5625 in)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type:\u003c\/strong\u003e 3-flat\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e D\/A3F\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Reduced shank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlute diameter:\u003c\/strong\u003e 1\/2\" (drives 1\/2\" hole capacity)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\/coating:\u003c\/strong\u003e Not specified\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e3-flat shank for improved torque transfer and reduced slippage in chuck jaws\u003c\/li\u003e \u003cli\u003eReduced shank design paired with a 1\/2\" flute diameter enables use in chucks that accommodate a larger shank while drilling a 1\/2\" hole\u003c\/li\u003e \u003cli\u003eHSS construction provides heat resistance suitable for metal drilling and general-purpose use\u003c\/li\u003e \u003cli\u003ePart of the D\/A3F Series, designed for professional\/shop-grade drilling tasks\u003c\/li\u003e \u003cli\u003eSuitable for drilling through metals and other HSS-compatible materials when operated with appropriate speeds and feeds\u003c\/li\u003e \u003cli\u003eNot intended for impact\/hard-hammer drilling or masonry applications\u003c\/li\u003e\n\u003c\/ul\u003e 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Title","offer_id":52312665162007,"sku":"D\/A3F9\/16","price":14.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_1518b3dc-a842-445d-8d72-1eb598df36d4.jpg?v=1771714361"},{"product_id":"37-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f37-64","title":"37\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F37\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDrill bit diameter: 1\/2\"\u003c\/li\u003e \u003cli\u003eShank design: 3-flat\u003c\/li\u003e \u003cli\u003eReduced shank: 37\/64\"\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e3-flat shank design provides improved grip and torque transfer during operation.\u003c\/li\u003e \u003cli\u003eReduced shank (37\/64\") enables insertion through smaller chuck openings while maintaining a 1\/2\" cutting diameter.\u003c\/li\u003e \u003cli\u003eHSS construction supports general metal drilling applications within the D\/A3F Series specifications.\u003c\/li\u003e \u003cli\u003eGround to a precise 1\/2\" drill diameter for consistent hole sizes in metal workpieces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBody diameter: 1\/2\"\u003c\/li\u003e \u003cli\u003eShank: 3-flat, reduced to 37\/64\"\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665227543,"sku":"D\/A3F37\/64","price":16.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_5865fc79-2145-4ebb-a161-0ddddc1b2e10.jpg?v=1771714365"},{"product_id":"19-32-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f19-32","title":"19\/32\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F19\/32","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e \u003cli\u003eCutting Diameter: 1\/2 in\u003c\/li\u003e \u003cli\u003eShank Diameter: 19\/32 in\u003c\/li\u003e \u003cli\u003eShank Design: 3-Flat Reduced Shank\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e3-flat shank design improves grip and torque transmission, reducing slippage under load.\u003c\/li\u003e \u003cli\u003eReduced 19\/32\" shank diameter allows use in tooling setups that require smaller shank geometries while preserving a 1\/2\" cutting diameter.\u003c\/li\u003e \u003cli\u003eHigh-Speed Steel (HSS) construction provides toughness for metal drilling at appropriate speeds and feeds.\u003c\/li\u003e \u003cli\u003eDesigned for precision drilling in ferrous and non-ferrous metals when used with proper lubrication and cutting data.\u003c\/li\u003e \u003cli\u003ePart of the D\/A3F series, engineered for consistent geometry and reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eCutting Diameter: 1\/2 in\u003c\/li\u003e \u003cli\u003eShank: 19\/32 in, 3-Flat Reduced Shank\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665293079,"sku":"D\/A3F19\/32","price":16.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_02de9a8b-8c58-4e98-b9a1-8990908fe634.jpg?v=1771714369"},{"product_id":"39-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f39-64","title":"39\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F39\/64","description":"\u003cdiv\u003e\n\u003cp\u003eTechnical specification for a single [1 PC] 39\/64\" Reduced Shank HSS Drill Bit, 1\/2\" cutting diameter, 3-flat shank, D\/A3F Series.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eQuantity: 1\u003c\/li\u003e \u003cli\u003eCutting diameter: 1\/2\" (0.500\")\u003c\/li\u003e \u003cli\u003eShank: 3-flat\u003c\/li\u003e \u003cli\u003eReduced shank: 39\/64\"\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003ePackage includes: 1 drill bit\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eHSS construction provides durability for drilling metals such as steel and aluminum at standard machining speeds.\u003c\/li\u003e \u003cli\u003e3-flat shank design improves torque transfer and minimizes slipping in holders compatible with 3-flat profiles.\u003c\/li\u003e \u003cli\u003eReduced shank size of 39\/64\" preserves overall shank length while enabling use in compact setups.\u003c\/li\u003e \u003cli\u003ePart of the D\/A3F Series, offering a standardized option for shop tooling and replacements.\u003c\/li\u003e \u003cli\u003eSold as a single piece for straightforward stocking and replacement.\u003c\/li\u003e \u003cli\u003eSuitable for metal drilling in ferrous and non-ferrous materials when using appropriate feeds and speeds.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCutting diameter: 1\/2\"\u003c\/li\u003e \u003cli\u003eShank type: 3-flat\u003c\/li\u003e \u003cli\u003eReduced shank: 39\/64\"\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665325847,"sku":"D\/A3F39\/64","price":16.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_3fd81dec-4c70-4c4a-b1c1-c702e2f49056.jpg?v=1771714372"},{"product_id":"5-8-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f5-8","title":"5\/8\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F5\/8","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eCutting Diameter: 1\/2\"\u003c\/li\u003e \u003cli\u003eShank Diameter: 5\/8\"\u003c\/li\u003e \u003cli\u003eShank Type: 3-Flat\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReduced shank design (5\/8\" shank) enables drilling a 1\/2\" hole in setups with larger chuck capacity, reducing crowding in tight toolholds.\u003c\/li\u003e \u003cli\u003e3-flat shank provides improved grip and reduces slippage in chucks or collets for consistent hole starts.\u003c\/li\u003e \u003cli\u003eHigh-Speed Steel (HSS) construction offers heat resistance and durability for metalworking tasks.\u003c\/li\u003e \u003cli\u003eAligned for general-purpose drilling in common metals, suitable for metalworking workflows that involve standard drilling operations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eShank: 5\/8\" diameter\u003c\/li\u003e \u003cli\u003eShank Type: 3-Flat\u003c\/li\u003e \u003cli\u003eCutting Diameter: 1\/2\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665391383,"sku":"D\/A3F5\/8","price":16.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_5d50f6ee-42f3-4d3e-b6de-0d669f40e8fc.jpg?v=1771714376"},{"product_id":"41-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f41-64","title":"41\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F41\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel\/Code:\u003c\/strong\u003e 41\/64\" Reduced Shank HSS Drill Bit, 1\/2\" diameter, 3-Flat Shank (D\/A3F Series)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e Reduced shank with 3-flat geometry\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e3-flat reduced shank design for secure grip and improved torque transfer\u003c\/li\u003e \u003cli\u003eHSS construction delivers durability for metal drilling applications\u003c\/li\u003e \u003cli\u003eSpecifically suited for drilling 1\/2 in holes in metalworking tasks\u003c\/li\u003e \u003cli\u003ePart of the D\/A3F Series, defining a line of reduced-shank drill bits\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eShank geometry:\u003c\/strong\u003e 3-flat reduced shank\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e D\/A3F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665424151,"sku":"D\/A3F41\/64","price":17.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_d1ac3af0-f14a-4cad-9cae-a1d168da03d5.jpg?v=1771714379"},{"product_id":"21-32-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f21-32","title":"21\/32\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F21\/32","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eShank size: 21\/32\" Reduced Shank\u003c\/li\u003e \u003cli\u003eShank drive: 3-Flat\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReduced-shank design (21\/32\") lets this drill bit work in machines with smaller chuck capacities while maintaining a 1\/2\" cutting diameter.\u003c\/li\u003e \u003cli\u003e3-flat shank provides positive drive and minimizes slippage in drill chucks for consistent performance.\u003c\/li\u003e \u003cli\u003eHigh-Speed Steel construction offers improved heat resistance for metalworking and fabrication tasks compared to standard carbon steel bits.\u003c\/li\u003e \u003cli\u003eD\/A3F Series is built for reliable, everyday drilling in workshop environments.\u003c\/li\u003e \u003cli\u003eVersatile use cases include drilling through metals such as steel and aluminum in handheld drills, drill presses, and CNC machines that support 1\/2\" diameter bits with this shank geometry.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eDiameter: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eShank: 21\/32\" Reduced Shank with 3-Flat drive\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003eQuantity: 1 PC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665456919,"sku":"D\/A3F21\/32","price":17.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_d30bbbf8-94a2-4741-8574-ea98865b1256.jpg?v=1771714381"},{"product_id":"43-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f43-64","title":"43\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | 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\u003cli\u003e\n\u003cstrong\u003eDrill bit diameter:\u003c\/strong\u003e 11\/16\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank diameter:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank style:\u003c\/strong\u003e 3-flat\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e D\/A3F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312665522455,"sku":"D\/A3F11\/16","price":18.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_ea0e074e-113e-4c6a-9632-23fd71e55b42.jpg?v=1771714386"},{"product_id":"45-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f45-64","title":"45\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | 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Title","offer_id":52312665555223,"sku":"D\/A3F45\/64","price":18.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_f0090a4f-c4f6-4131-b990-b4077bf8dcb6.jpg?v=1771714388"},{"product_id":"23-32-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f23-32","title":"23\/32\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F23\/32","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 1\/2\"\u003c\/li\u003e \u003cli\u003eShank: 3-flat (D\/A3F Series)\u003c\/li\u003e \u003cli\u003eReduced shank design\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e3-flat shank provides a secure grip during high-pressure drilling and reduces slip\u003c\/li\u003e \u003cli\u003eReduced shank 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Title","offer_id":52312665653527,"sku":"D\/A3F3\/4","price":19.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_f11def47-9c56-4198-ac0d-3dd0a17d603f.jpg?v=1771714395"},{"product_id":"49-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f49-64","title":"49\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F49\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 PC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter (cutting):\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e 49\/64\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type:\u003c\/strong\u003e Reduced shank with 3-flat drive\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Speed Steel 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America","offers":[{"title":"Default Title","offer_id":52312665751831,"sku":"D\/A3F25\/32","price":21.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_946b5a45-ce62-45e9-ba61-49b1f3588cb0.jpg?v=1771714400"},{"product_id":"51-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f51-64","title":"51\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F51\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity\u003c\/strong\u003e: 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCutting diameter\u003c\/strong\u003e: 1\/2 in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: 3-flat\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShank size\u003c\/strong\u003e: 51\/64 in reduced shank length\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: 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Title","offer_id":52312665948439,"sku":"D\/A3F7\/8","price":24.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_26b58bfd-5235-48bb-b9ba-66943e280f9d.jpg?v=1771714416"},{"product_id":"57-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f57-64","title":"57\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F57\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBit diameter: 1\/2\" (0.5 in)\u003c\/li\u003e \u003cli\u003eShank diameter: 57\/64\" (0.8906 in)\u003c\/li\u003e \u003cli\u003eShank geometry: 3-flat\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: D\/A3F\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e \u003cli\u003eHole capability: 1\/2\" bore with proper feeds and lubrication\u003c\/li\u003e\n\u003c\/ul\u003e 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0.9531\" (61\/64\")\u003c\/li\u003e \u003cli\u003eDiameter: 1\/2\"\u003c\/li\u003e \u003cli\u003eShank: Reduced shank, 3-flat configuration\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003ePackage: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312666145047,"sku":"D\/A3F61\/64","price":29.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_cbcd98aa-7924-47f4-ab57-3191b3ba9e82.jpg?v=1771714425"},{"product_id":"31-32-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f31-32","title":"31\/32\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F31\/32","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 1\/2 in\u003c\/li\u003e \u003cli\u003eOverall length: 31\/32 in (0.97 in)\u003c\/li\u003e \u003cli\u003eShank 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in\u003c\/li\u003e \u003cli\u003eShank: 3-Flat Shank\u003c\/li\u003e \u003cli\u003eMaterial: HSS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312666177815,"sku":"D\/A3F31\/32","price":29.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_494f96ca-5151-4838-a1e6-059af745370f.jpg?v=1771714427"},{"product_id":"63-64-reduced-shank-hss-drill-bit-1-2-3-flat-shank-d-a3f-series_d-a3f63-64","title":"63\/64\" Reduced Shank Drill Bit | HSS | 1\/2\" 3-Flat Shank | D\/A3F63\/64","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDiameter: 1\/2 in\u003c\/li\u003e\n\u003cli\u003eOverall length: 63\/64 in\u003c\/li\u003e\n\u003cli\u003eShank type: 3-Flat\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003cli\u003eSeries: 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shank\u003c\/li\u003e \u003cli\u003eLength: not specified\u003c\/li\u003e \u003cli\u003eCoating: not specified\u003c\/li\u003e \u003cli\u003ePackaging: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312666734871,"sku":"DWDRSD13.0MM","price":11.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_ade6b562-0dcb-40e1-8da0-e8ed7b2f7ee9.jpg?v=1771714463"},{"product_id":"13-50mm-reduced-shank-hss-drill-bit-1-2-shank-dwdrsd-series_dwdrsd13-5mm","title":"13.50mm Reduced Shank Drill Bit | HSS | 1\/2\" Shank | DWDRSD13.5MM","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDrill diameter: 13.50 mm (0.531 in)\u003c\/li\u003e \u003cli\u003eShank size: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eShank type: Reduced\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: DWDRSD\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReduced shank design enables a 13.50 mm hole diameter with a 1\/2\" shank tool\u003c\/li\u003e \u003cli\u003eHSS construction provides durability and heat resistance for metal drilling applications\u003c\/li\u003e \u003cli\u003eDWDRSD series designation identifies a line optimized for reliable metalworking performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBody diameter: 13.50 mm\u003c\/li\u003e \u003cli\u003eShank diameter: 1\/2\"\u003c\/li\u003e \u003cli\u003eShank type: Reduced\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312666767639,"sku":"DWDRSD13.5MM","price":12.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_07f3d84e-3b37-46bd-8fb7-9e47ac5fb6a5.jpg?v=1771714465"},{"product_id":"14-00mm-reduced-shank-hss-drill-bit-1-2-shank-dwdrsd-series_dwdrsd14-0mm","title":"14.00mm Reduced Shank Drill Bit | HSS | 1\/2\" Shank | DWDRSD14.0MM","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 14.00 mm\u003c\/li\u003e \u003cli\u003eShank diameter: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eShank type: Reduced shank\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: DWDRSD\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReduced shank design improves clearance in tight workspaces, reducing interference with surrounding tooling and fixtures.\u003c\/li\u003e \u003cli\u003eHSS construction provides durability and heat resistance for metal drilling tasks.\u003c\/li\u003e \u003cli\u003eDWDRSD series delivers consistent hole quality and predictable performance over repeated use.\u003c\/li\u003e \u003cli\u003eDesigned for precise drilling of a 14 mm hole in metal workpieces.\u003c\/li\u003e \u003cli\u003eUse cases include drilling 14 mm holes in steel and aluminum components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePackage quantity: 1 piece\u003c\/li\u003e \u003cli\u003eCoating\/finish: Not specified\u003c\/li\u003e \u003cli\u003eOverall length: Not specified\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eDiameter: 14.00 mm\u003c\/li\u003e \u003cli\u003eShank diameter: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eShank type: Reduced shank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312666800407,"sku":"DWDRSD14.0MM","price":14.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_13970c6a-413f-423c-8318-198fc361f9fa.jpg?v=1771714468"},{"product_id":"14-50mm-reduced-shank-hss-drill-bit-1-2-shank-dwdrsd-series_dwdrsd14-5mm","title":"14.50mm Reduced Shank Drill Bit | HSS | 1\/2\" Shank | DWDRSD14.5MM","description":"\u003cdiv\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eDiameter: 14.50 mm\u003c\/li\u003e \u003cli\u003eShank: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: DWDRSD\u003c\/li\u003e \u003cli\u003ePackage: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReduced shank design with a 1\/2\" shank diameter to support larger-diameter hole requirements in metal and plastics\u003c\/li\u003e \u003cli\u003e14.50 mm cutting diameter tailored for precise large-hole fabrication, mounting, and fixture work\u003c\/li\u003e \u003cli\u003eDWDRSD series designation indicates a drill family optimized for stable cutting performance at larger diameters\u003c\/li\u003e \u003cli\u003eHigh-Speed Steel (HSS) construction offers reliable general-purpose drilling for a range of common materials\u003c\/li\u003e \u003cli\u003eSingle-piece packaging simplifies ordering and project planning\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePhysical\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eBody diameter: 14.50 mm\u003c\/li\u003e \u003cli\u003eShank diameter: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: DWDRSD\u003c\/li\u003e \u003cli\u003ePackage quantity: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312666833175,"sku":"DWDRSD14.5MM","price":14.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_ead6035c-f454-40c1-99e0-04038a400247.jpg?v=1771714470"},{"product_id":"15-00mm-reduced-shank-hss-drill-bit-1-2-shank-dwdrsd-series_dwdrsd15-0mm","title":"15.00mm Reduced Shank Drill Bit | HSS | 1\/2\" Shank | DWDRSD15.0MM","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCutting diameter: 15.00 mm\u003c\/li\u003e \u003cli\u003eShank diameter: 1\/2\" (12.7 mm)\u003c\/li\u003e \u003cli\u003eShank type: Reduced shank\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003eSeries: DWDRSD\u003c\/li\u003e \u003cli\u003eQuantity: 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReduced shank design for a larger cutting diameter within a compact shank profile\u003c\/li\u003e \u003cli\u003eHigh-Speed Steel (HSS) construction provides heat resistance and durability for repetitive metal drilling tasks\u003c\/li\u003e \u003cli\u003eLarge 15 mm hole capacity in a single pass on suitable metals and alloys\u003c\/li\u003e \u003cli\u003ePrecisely ground cutting edges for cleaner holes and improved hole start precision\u003c\/li\u003e \u003cli\u003eDWDRSD series geometry supports consistent performance within the line\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eShank: 1\/2\" (12.7 mm) reduced-shank design\u003c\/li\u003e \u003cli\u003eCutting diameter: 15.00 mm\u003c\/li\u003e \u003cli\u003eMaterial: High-Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":52312666931479,"sku":"DWDRSD15.0MM","price":15.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/d-a3f33-64_ae30c0c2-6a06-42df-b1ab-f1a17367ac5d.jpg?v=1771714471"},{"product_id":"15-50mm-reduced-shank-hss-drill-bit-1-2-shank-dwdrsd-series_dwdrsd15-5mm","title":"15.50mm Reduced Shank Drill Bit | HSS | 1\/2\" Shank | DWDRSD15.5MM","description":"\u003cdiv\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSeries: DWDRSD\u003c\/li\u003e \u003cli\u003eType: Reduced-shank High-Speed Steel drill bit\u003c\/li\u003e \u003cli\u003eDiameter: \u003cstrong\u003e15.50 mm\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eShank size: \u003cstrong\u003e1\/2\" (12.7 mm)\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eMaterial: \u003cstrong\u003eHigh-Speed Steel 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