{"product_id":"precision-twist-drill-5999548-reduced-shank-drill-bit","title":"Precision Twist Drill 5999548 Reduced Shank Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PRECISION TWIST DRILL 5999548 is a reduced shank twist drill bit designed for drilling through ferrous metals and a range of secondary materials including aluminum, copper, nickel, and titanium. It features a 1-1\/64 inch (1.0156 inch) cutting diameter paired with a 1\/2 inch Weldon flat shank, allowing it to fit standard 1\/2 inch chucks and mill-style holders without requiring a larger chuck capacity. The 118-degree standard point angle suits general-purpose drilling in a wide variety of shop and field applications. Constructed from high-speed steel with a bright uncoated finish, this bit is built for consistent performance in production and maintenance drilling environments. Licensed machinists, HVAC fabricators, pipefitters, and industrial maintenance technicians are the primary users.\u003c\/p\u003e\u003cp\u003eThis drill bit is suited for use in vertical mills, drill presses, and magnetic base drills where a 1\/2 inch shank is the maximum capacity. The reduced shank design lets shops use a single chuck size across a range of larger-diameter bits. Primary workpiece material is ferrous metal. Secondary applications include aluminum, cermet, copper, magnesium, nickel, synthetic materials, and titanium. The Series R57 designation identifies this as part of the PRECISION TWIST DRILL general-purpose reduced shank line. It meets ANSI standards and carries a 4xD flute-length-to-diameter ratio suited for through-hole and moderate-depth drilling.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1-1\/64 inch (1.0156 inch) cutting diameter with a 1\/2 inch reduced Weldon flat shank\u003c\/li\u003e\n\u003cli\u003e118-degree standard point angle for general-purpose entry and centering\u003c\/li\u003e\n\u003cli\u003eHigh-speed steel construction for strength across ferrous and non-ferrous materials\u003c\/li\u003e\n\u003cli\u003e3-flat Weldon shank prevents slippage in Weldon-style and set-screw holders\u003c\/li\u003e\n\u003cli\u003e3 inch flute length and 6 inch overall length accommodate moderate drilling depth\u003c\/li\u003e\n\u003cli\u003eBright uncoated finish — no coating buildup concerns on re-sharpening\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned to seat in 1\/2 inch Weldon flat shank holders and standard 1\/2 inch drill chucks. Compatible with drill presses, milling machines, and magnetic base drills accepting a 1\/2 inch shank. No specific machine model compatibility was stated in the product data.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eA licensed machinist or qualified maintenance technician should install and operate this bit. Ensure the machine spindle is fully stopped and locked out before inserting or removing the bit from its holder. Seat the Weldon flat securely against the set screw to prevent pullout under load. Follow applicable ANSI B11 machine tool safety standards for drill press and milling machine operation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Inch)\u003c\/strong\u003e: 1-1\/64 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 1.0156 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.5000 inches (1\/2 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Weldon Flat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flats\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 118 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 3 inches\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\u003eCutting Direction\u003c\/strong\u003e: Right Hand\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\u003ePrimary Workpiece Material\u003c\/strong\u003e: Ferrous Metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Materials\u003c\/strong\u003e: Aluminum, Cermet, Copper, Magnesium, Nickel, Synthetic, Titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Performance\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: R57\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: 0.5 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: 5999548\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51721072640306,"sku":"5999548","price":150.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/111edff2768c324661ef70f54ecbab28_5d25fbbb-8697-48a5-8135-fc8a882fb2f4.jpg?v=1788573157","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5999548-reduced-shank-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}