{"product_id":"3-8-120-deg-6-flute-chatterless-countersink-1-4-round-shank-hss_dewchat3-8-120","title":"3\/8\"-120 Degree 6 Flute Chatterless Countersink | HSS | 1\/4\" Round Shank | DEWCHAT3\/8-120","description":"\u003cdiv\u003e\n\u003cp\u003eIndustrial-grade countersink tool designed for precision metalworking and aerospace applications. The 3\/8 inch diameter countersink features a 120 degree included angle, 6 flutes, and a round 1\/4 inch shank for compatibility with CNC and manual machine tool holders.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 3\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded angle\u003c\/strong\u003e: 120 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlutes\u003c\/strong\u003e: 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank diameter\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank type\u003c\/strong\u003e: Round\u003c\/li\u003e\n\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\n\u003cli\u003e\n\u003cstrong\u003eChatterless design\u003c\/strong\u003e reduces vibration during countersinking for cleaner edge profiles and longer tool life on hardened steel, aluminum, and alloys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix-flute geometry\u003c\/strong\u003e improves chip evacuation and surface finish in metalworking applications requiring controlled breakout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound shank\u003c\/strong\u003e ensures compatibility with collet chucks and drill press spindles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountersink seating accuracy\u003c\/strong\u003e supports flush screw heads and precise assembly in production environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-grade construction\u003c\/strong\u003e maintains tight tolerances for repeatable performance in high-volume machining.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412448567575,"sku":"DEWCHAT3\/8-120","price":13.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/9.jpg?v=1779454687","url":"https:\/\/mutualscrew.com\/products\/3-8-120-deg-6-flute-chatterless-countersink-1-4-round-shank-hss_dewchat3-8-120","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}