{"product_id":"keo-906-000-311-combo-drill-countersink-3-8-inch-hss","title":"Keo 906-000-311 Combo Drill Countersink 3\/8 Inch Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KEO 906-000-311 is a combination drill and countersink designed to drill a pilot hole and form a countersink in a single pass. Manufactured from high-speed steel with a bright, uncoated finish, this tool is built for general-purpose metalworking and fabrication applications. It features a 118-degree drill point angle, a 60-degree included countersink angle, and a radius cutting edge style. The 3\/8-inch body diameter and compact 2.5-inch overall length make it well suited for bench drill presses and hand-held drilling operations. Right-hand cutting direction is standard for conventional drill presses and CNC setups.\u003c\/p\u003e\u003cp\u003eThis combo drill countersink is used in metal fabrication shops, machine shops, and maintenance environments where countersinking for flat-head fasteners or center-drilling for lathe work is a routine task. The double end type provides extended service life by offering two usable cutting ends. It is appropriate for use in steel, aluminum, brass, and similar machinable materials. Machinists, tool and die workers, and general fabricators are the primary installers and users of this tool.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCombination drill and countersink completes pilot hole and countersink in one operation\u003c\/li\u003e\n\u003cli\u003eHigh-speed steel construction for durability across a range of machinable metals\u003c\/li\u003e\n\u003cli\u003eBright uncoated finish suitable for standard shop cutting fluids and coolants\u003c\/li\u003e\n\u003cli\u003eDouble end design extends usable tool life\u003c\/li\u003e\n\u003cli\u003eRadius cutting edge style for smooth countersink finish\u003c\/li\u003e\n\u003cli\u003e118-degree drill point angle and 60-degree included angle for standard fastener seating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or standard trade-size combo drill countersink for use in drill presses, milling machines, and lathes requiring a size 4-1\/2 combination center drill and countersink.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis tool is installed and used by machinists and metal fabricators following standard shop safety procedures. Secure the workpiece firmly before beginning any drilling or countersinking operation. Use appropriate cutting fluid or coolant for the material being machined to extend tool life and maintain finish quality. Inspect the cutting edges before each use and replace the tool if chipping or wear is evident.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrade Size\u003c\/strong\u003e: 4-1\/2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Diameter\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Diameter\u003c\/strong\u003e: 9\/64 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Length\u003c\/strong\u003e: 13\/32 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 118 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 60 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRadius Length\u003c\/strong\u003e: 7\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Radius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Double\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: High-Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241603\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: 906-000-311\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KEO","offers":[{"title":"Default Title","offer_id":51973265260850,"sku":"906-000-311","price":21.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a09811aae6e16a69e944d819c31edecb.jpg?v=1789972654","url":"https:\/\/voomisupply.com\/products\/keo-906-000-311-combo-drill-countersink-3-8-inch-hss","provider":"Voomi Supply","version":"1.0","type":"link"}