{"product_id":"precision-twist-drill-5998826-screw-machine-drill-bit","title":"Precision Twist Drill 5998826 Screw Machine Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PRECISION TWIST DRILL 5998826 is a screw machine length drill bit designed for high-performance metal drilling applications. It measures 0.159 inches (Wire Size #21) in diameter with an overall length of 2.125 inches and a flute length of 1.0625 inches. The bit is manufactured from high speed steel with a bright uncoated finish and features a 118-degree standard point angle. A web-thinned, tapered web configuration reduces thrust during entry, making it well suited for production drilling in tight-tolerance environments. This drill bit is sold individually and conforms to ANSI standards.\u003c\/p\u003e\n\u003cp\u003eThis bit is intended for use in screw machine operations, CNC drilling, and general-purpose machining applications where a shorter flute-to-diameter ratio improves rigidity and reduces deflection. The 2.5xD flute-by-diameter ratio and regular spiral type are well matched to through-hole drilling in titanium and other demanding primary workpiece materials. It is typically installed in machine spindles, drill presses, and hand-held power tools by machinists and metalworking tradespeople. The straight cylindrical shank provides broad compatibility with standard drill chucks.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eScrew machine length body provides added rigidity and reduced deflection compared to jobber-length bits\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction handles elevated cutting temperatures in metalworking applications\u003c\/li\u003e\n  \u003cli\u003eWeb-thinned, tapered web lowers cutting thrust and improves chip evacuation at entry\u003c\/li\u003e\n  \u003cli\u003e118-degree standard point angle suits a wide range of ferrous and non-ferrous materials\u003c\/li\u003e\n  \u003cli\u003eBright uncoated finish allows easy visual inspection of cutting edge condition\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, spiral flute design for conventional clockwise spindle operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-use drill bit for screw machine and short-length drilling applications requiring a 0.159-inch diameter, Wire Size #21 bit with a straight cylindrical shank.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis drill bit is installed by machinists and metalworking professionals using a standard drill chuck or collet rated for straight cylindrical shanks. Ensure the spindle is fully stopped and de-energized before changing tooling. Secure the shank firmly in the chuck to the full depth of the chuck jaws to prevent slippage during cutting. Follow shop safety protocols and applicable ANSI machining standards when setting feeds and speeds for the workpiece material.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.159 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWire Size\u003c\/strong\u003e: #21\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.0625 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\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\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\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 Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 2.5xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Length Type\u003c\/strong\u003e: Screw Machine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Titanium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: R41\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04167 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 5998826\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51694880096562,"sku":"5998826","price":42.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ae705608214748542f086ddcdc5392d6.jpg?v=1788329361","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5998826-screw-machine-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}