{"product_id":"sgs-66462-screw-machine-drill-bit-21-64-in-solid-carbide","title":"Sgs 66462 Screw Machine Drill Bit 21\/64 in Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SGS 66462 is a screw machine length drill bit designed for high-performance metal cutting and general-purpose drilling applications. Built from micrograin solid carbide and coated with Ti-NAMITE-X, this bit delivers extended tool life and resistance to heat and wear. The 135-degree split point with web thinning reduces thrust requirements and improves centering without a pilot hole. At 3.5 inches overall length with a 0.3622 inch (21\/64 inches) diameter, it fits compact setups where stub length access is needed. It is sold individually and suits machinists, toolroom technicians, and CNC operators working with tight tolerances.\u003c\/p\u003e\u003cp\u003eThis drill bit is suited for universal workpiece materials including steel, stainless, aluminum, cast iron, and non-ferrous alloys. The screw machine (stub) length format makes it ideal for drill press, turret lathe, and CNC machining center use where rigidity and reduced deflection are priorities. Coolant-through capability allows internal coolant delivery to the cutting zone, extending tool life in production environments. The Series 142P designation places this bit in a high-performance product family built to DIN 6537 specification.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMicrograin solid carbide construction for high rigidity and wear resistance\u003c\/li\u003e\n\u003cli\u003eTi-NAMITE-X coating reduces friction and extends cutting life\u003c\/li\u003e\n\u003cli\u003e135-degree standard point with web thinning for reduced entry thrust and improved centering\u003c\/li\u003e\n\u003cli\u003eCoolant-through design supports internal coolant delivery in equipped spindles\u003c\/li\u003e\n\u003cli\u003e4-margin geometry improves hole quality and dimensional accuracy\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank with 0.390 inch diameter for standard collet and chuck compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a screw machine length drill bit conforming to DIN 6537 specification, compatible with standard straight-shank collets, chucks, and toolholders accepting a 0.390 inch shank diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified machinists or toolroom technicians familiar with rotating cutting tool safety. Ensure the spindle is fully stopped and de-energized before loading or removing the bit from the holder. Verify collet or chuck runout is within acceptable tolerance before production drilling, as excessive runout accelerates carbide wear. Follow machine manufacturer guidelines for feed rate and spindle speed when using coolant-through capability.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 21\/64 inches (0.3622 inches \/ 9.20 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.5 inches (89 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.8504 inches (47.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 1.8504 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.390 inches (10.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.5748 inches (40.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Length\u003c\/strong\u003e: 0.0750 inches (1.91 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Margins\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide, Micrograin Grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Ti-NAMITE-X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Universal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 3xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: +0.00024 to +0.00083 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 142P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e: DIN 6537\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.15 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e: 3.62 x 0.7 x 0.7 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SGS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 66462\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KYOCERA SGS PRECISION TOOLS","offers":[{"title":"Default Title","offer_id":51727328510258,"sku":"66462","price":315.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a125c05a5770121a1efcd6d983ae7706.jpg?v=1788676378","url":"https:\/\/voomisupply.com\/products\/sgs-66462-screw-machine-drill-bit-21-64-in-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}