{"product_id":"precision-twist-drill-5996937-jobber-drill-bit-8-6mm","title":"Precision Twist Drill 5996937 Jobber Drill Bit 8.6mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PRECISION TWIST DRILL 5996937 is a jobber-length drill bit designed for general-purpose drilling in a wide range of metalworking applications. Ground from high speed steel with a bright, uncoated finish, it features a 135-degree split-point tip that reduces walking on entry and lowers the thrust needed to penetrate hard materials. The parabolic-style spiral flute with web thinning improves chip evacuation and helps maintain cutting efficiency through deeper passes. At 4-59\/64 inches overall length with a 3-3\/16 inch flute length, this bit fits standard drill chucks without adapters. It is suited for machinists, fabricators, and maintenance professionals working with ferrous and non-ferrous metals.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is intended for drilling operations in steel, stainless steel, cast iron, non-ferrous metals, superalloys, and titanium. The straight cylindrical shank seats directly in keyless or keyed chucks on benchtop drill presses, hand drills, and CNC drilling setups. The QC21PM series is built to DIN 338 standards, making it a recognized specification for jobber-length tooling used in production and maintenance environments. The 9xD flute-to-diameter ratio supports drilling depths up to 3.189 inches without requiring a pecking cycle on most materials.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e135-degree standard point angle reduces bit walking and lowers entry thrust on hard materials\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction with bright uncoated finish for general-purpose metalworking\u003c\/li\u003e\n  \u003cli\u003eWeb-thinned, tapered web design improves chip flow and reduces heat buildup in the cut zone\u003c\/li\u003e\n  \u003cli\u003eStraight cylindrical shank fits standard drill chucks with no adapter required\u003c\/li\u003e\n  \u003cli\u003eManufactured to DIN 338 specification for consistent geometry and interchangeability\u003c\/li\u003e\n  \u003cli\u003eTwo-flute parabolic spiral supports efficient chip evacuation in through-hole and blind-hole drilling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a DIN 338 jobber-length drill bit compatible with standard keyless and keyed drill chucks accepting an 8.6 mm straight cylindrical shank. Suitable for use in handheld drills, drill presses, and CNC drilling machines configured for straight-shank tooling.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eSecure the shank fully in the chuck and verify it is centered before starting the spindle. When drilling stainless steel, superalloys, or titanium, use appropriate cutting fluid and reduce feed rate to manage heat buildup and extend tool life. Inspect the cutting edges before each use and replace the bit if chipping or dulling is observed, as a worn point increases thrust and risks workpiece damage. Follow shop safety protocols including eye protection and secure workpiece fixturing.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 8.6 mm (0.3386 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\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\u003eOverall Length\u003c\/strong\u003e: 4-59\/64 inches (125 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 3-3\/16 inches (81 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 8.6 mm (0.3386 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.732 inches (44 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral \/ Parabolic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 3.189 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Steel, Stainless Steel, Cast Iron, Non-Ferrous Metal, Superalloys, Titanium, Hard Material\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 338\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: QC21PM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.083 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PRECISION TWIST DRILL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5996937\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51722508960050,"sku":"5996937","price":27.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5a85133a1139dc8a6ea2473e7ab0e3fa_dbb090df-b666-435d-9252-755d116ea2c0.jpg?v=1788592160","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5996937-jobber-drill-bit-8-6mm","provider":"Voomi Supply","version":"1.0","type":"link"}