{"product_id":"keo-919-000-352-countersink-3-4-in-82-degree-6-flute-hss","title":"Keo 919-000-352 Countersink 3\/4 in 82 Degree 6 Flute Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KEO 919-000-352 is a single-end, 6-flute countersink machined from high-speed steel (HSS) for consistent performance in metal, plastic, and composite materials. It features a 3\/4 inch head diameter and an 82-degree included angle, making it suitable for seating flat-head fasteners flush with the workpiece surface. The straight-cylindrical shank measures 1\/2 inch in diameter and 1-1\/4 inches in length, providing a secure grip in standard drill chucks and milling machine collets. Right-hand cutting direction is standard for conventional clockwise spindle rotation. This countersink does not include a pilot pin, so workpiece alignment depends on operator technique or a pre-drilled pilot hole.\u003c\/p\u003e\u003cp\u003eThis countersink is used in general metalworking, fabrication shops, and maintenance environments where flush or recessed fastener seating is required. It is well suited for production drilling operations on steel, aluminum, and similar materials where a clean, consistent 82-degree countersink profile is needed. Licensed machinists, tool and die technicians, and experienced maintenance mechanics are the typical users for this type of tooling.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3\/4 inch head diameter for larger fastener seat profiles\u003c\/li\u003e\n\u003cli\u003e82-degree included angle compatible with flat-head machine screws and aerospace-standard fastener geometry\u003c\/li\u003e\n\u003cli\u003e6 flutes for smoother cutting action and reduced chatter compared to fewer-flute designs\u003c\/li\u003e\n\u003cli\u003eHigh-speed steel construction provides good wear resistance across a range of workpiece materials\u003c\/li\u003e\n\u003cli\u003e1\/2 inch straight-cylindrical shank fits standard drill chucks and collets\u003c\/li\u003e\n\u003cli\u003eRight-hand cut for use with conventional clockwise spindle rotation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard single-end countersink for use in drill presses, milling machines, and hand drills equipped with a 1\/2 inch chuck or collet capable of accepting a straight-cylindrical shank.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eSecure the shank fully in the chuck or collet before beginning operation and verify the spindle is rotating in the correct clockwise direction before contact with the workpiece. Pre-drill a pilot hole to the fastener minor diameter before countersinking when precision location is required, as this tool does not include a pilot. Use cutting fluid or coolant appropriate to the workpiece material to extend tool life and improve surface finish. Follow all machine guarding and PPE requirements per applicable shop safety standards.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 3\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 82 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenterline Angle\u003c\/strong\u003e: 41 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1-1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes Pilot\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.15 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112812\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: KEO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 919-000-352\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KEO","offers":[{"title":"Default Title","offer_id":52063782568242,"sku":"919-000-352","price":44.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/98d69db5eebde386403e71615e04d563.jpg?v=1790043614","url":"https:\/\/voomisupply.com\/products\/keo-919-000-352-countersink-3-4-in-82-degree-6-flute-hss","provider":"Voomi Supply","version":"1.0","type":"link"}