{"product_id":"7-8-120-deg-6-flute-chatterless-countersink-1-2-round-shank-hss_dewchat7-8-120","title":"7\/8\"-120 Degree 6 Flute Chatterless Countersink | HSS | 1\/2\" Round Shank | DEWCHAT7\/8-120","description":"\u003cdiv\u003eIndustrial countersinking tool engineered for metal fabrication, fastener seating, and precision machining. It delivers consistent hole geometry with a chatterless performance, featuring 120° included angle, 6 flutes, and a 1\/2\" round shank for compatibility with standard chucks and collets. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDrive type\u003c\/b\u003e: Round shank\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCutting diameter\u003c\/b\u003e: 7\/8\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eShank diameter\u003c\/b\u003e: 1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eIncluded angle\u003c\/b\u003e: 120°\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFlute count\u003c\/b\u003e: 6\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\u003eChatterless design\u003c\/b\u003e: minimizes tool vibration during countersinking to improve hole finish and seating accuracy.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eChip evacuation\u003c\/b\u003e: 6 flute geometry facilitates efficient chip removal, reducing clogging and heat buildup.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting compatibility\u003c\/b\u003e: round shank interfaces with standard drill chucks and CNC collets for versatile fixture options.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial characteristics\u003c\/b\u003e: HSS construction provides wear resistance at elevated cutting speeds and maintains edge integrity in steel, aluminum, and other engineering metals.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eRepresentative use cases\u003c\/b\u003e: countersinking for flush-headed fasteners in metal fabrication, automotive assembly, and equipment manufacturing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53412448928023,"sku":"DEWCHAT7\/8-120","price":43.0,"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\/7-8-120-deg-6-flute-chatterless-countersink-1-2-round-shank-hss_dewchat7-8-120","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}