{"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","url":"https:\/\/mutualscrew.com\/products\/5-8-60-deg-4-flute-machine-countersink-1-2-round-shank-hss_dewmsk5-8-60","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}