{"product_id":"precision-twist-drill-5999165-drill-bit-wire-38-hss","title":"Precision Twist Drill 5999165 Drill Bit Wire 38 Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PRECISION TWIST DRILL 5999165 is a jobber-length drill bit sized to wire gauge 38, equivalent to 0.1015 inches in diameter. Built from high speed steel with a steam oxide coating, it is designed for general-purpose drilling in demanding shop and field environments. The 135-degree split point reduces walking on hard surfaces and lowers the thrust required to start a hole. With an overall length of 2.5 inches and a 1.4375-inch spiral flute, this bit delivers controlled chip evacuation in a compact form factor. It is a standard choice for machinists, HVAC techs, and maintenance tradespeople who need consistent performance in small-diameter drilling.\u003c\/p\u003e\u003cp\u003eThis drill bit is suited for drilling steel, stainless steel, cast iron, non-ferrous metals, superalloys, and titanium. Its NAS 907 specification and ANSI compliance make it appropriate for aerospace-adjacent and industrial maintenance applications. The web-thinned, tapered-web construction reduces cutting resistance, making it practical for production drilling or repetitive hole work in hard materials. The straight-cylindrical shank seats cleanly in standard 3-jaw chucks and keyless drill chucks used across trades.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWire size 38 (0.1015 inches) with a matching straight-cylindrical shank diameter of 0.1015 inches for true concentricity\u003c\/li\u003e\n\u003cli\u003e135-degree standard point angle with web thinning for reduced thrust and clean entry without a center punch on most materials\u003c\/li\u003e\n\u003cli\u003eSteam oxide coating provides mild lubricity and surface hardness for extended tool life in ferrous materials\u003c\/li\u003e\n\u003cli\u003eRegular spiral, 2-flute design with a 14xD flute-to-diameter ratio promotes efficient chip clearing in deep holes\u003c\/li\u003e\n\u003cli\u003eMeets NAS 907 and ANSI standards, suitable for aerospace maintenance and industrial production use\u003c\/li\u003e\n\u003cli\u003eHeavy-duty drill bit grade rated for steel, stainless steel, cast iron, non-ferrous metals, superalloys, and titanium\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-compatible jobber-length drill bit for use in any standard drill chuck accepting a 0.1015-inch straight-cylindrical shank, compatible with drill presses, hand drills, and CNC equipment across the R10B, R15B, and R18B series applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis bit is installed by a machinist, maintenance technician, or qualified tradesperson using a standard 3-jaw or keyless chuck. Secure the shank fully in the chuck before operation and verify concentricity at speed before cutting. For ferrous materials, use a cutting fluid or oil to reduce heat buildup and extend bit life. Inspect the cutting edges for wear or chipping before each use and replace bits that show signs of dulling to avoid oversized holes or workpiece damage.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: 38\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.1015 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Material\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Steam Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 degrees\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 Type\u003c\/strong\u003e: Spiral, Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.4375 inches (1-7\/16 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 1.4375 inches (1-7\/16 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.5 inches (2-1\/2 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.1015 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.0625 inches (1-1\/16 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flats\u003c\/strong\u003e: 0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 14xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: R10B, R15B, R18B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Application\u003c\/strong\u003e: Drilling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Performance\u003c\/strong\u003e: General Purpose, Heavy Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel, Stainless Steel, Cast Iron, Non-Ferrous Metal, Superalloys and Titanium, Hard Material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Margin\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, NAS 907\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification Designation\u003c\/strong\u003e: NAS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241634\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.17 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 5999165\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51694312948018,"sku":"5999165","price":43.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7da465a3340ea6a9db91bc6a63822e95_14a4a881-cb79-4f77-b6d8-4aac24b1c188.jpg?v=1788322966","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5999165-drill-bit-wire-38-hss","provider":"Voomi Supply","version":"1.0","type":"link"}