{"product_id":"precision-twist-drill-5999899-reduced-shank-drill-bit","title":"Precision Twist Drill 5999899 Reduced Shank Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PRECISION TWIST DRILL 5999899 is a reduced shank twist drill bit machined from high speed steel and designed for general-purpose hole-making in ferrous and non-ferrous materials. The bit measures 1-3\/32 inches (1.0938 inches decimal) in cutting diameter with a 1\/2-inch straight-cylindrical shank, allowing it to chuck into standard 1\/2-inch drill chucks without requiring a larger spindle bore. Overall length is 6 inches with a 3-inch flute length, a 118-degree standard point angle, and a bright uncoated finish. It cuts right-hand with a regular spiral flute and carries an ANSI standard designation under Series R56.\u003c\/p\u003e\n\u003cp\u003eThis bit is suited for drilling through ferrous metals, aluminum, copper, magnesium, nickel, titanium, and synthetic materials in fabrication, maintenance, and mechanical contractor work. The reduced shank design makes an otherwise large-diameter bit usable in common 1\/2-inch capacity drill presses, magnetic drills, and hand drills without a specialized chuck. Typical applications include pipe flange holes, structural steel work, HVAC equipment panels, and general sheet-metal or plate drilling where a full-shank bit of this diameter would require a larger machine.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1-3\/32 inch cutting diameter (1.0938 inches decimal) on a 1\/2-inch reduced straight-cylindrical shank\u003c\/li\u003e\n  \u003cli\u003e118-degree standard point angle for general-purpose entry and centering on flat stock\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction provides hardness and heat resistance across a broad range of workpiece materials\u003c\/li\u003e\n  \u003cli\u003e3-inch flute length with regular spiral for consistent chip evacuation up to 3 inches maximum drilling depth\u003c\/li\u003e\n  \u003cli\u003eBright uncoated finish — suitable for use with cutting fluid where required by material or depth\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, ANSI-compliant Series R56 geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a general-purpose reduced shank drill bit compatible with any 1\/2-inch capacity drill chuck. Rated for use in ferrous metal, aluminum, copper, magnesium, nickel, titanium, and synthetic workpiece materials per manufacturer specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis bit is installed and operated by machinists, millwrights, pipefitters, or mechanical contractors using a drill press, magnetic base drill, or 1\/2-inch capacity hand drill. Secure the shank fully in the chuck and verify runout before drilling. Use an appropriate cutting fluid or coolant when drilling ferrous metals or deep holes to extend tool life, even though the bit is rated for dry use. Always wear eye protection and secure the workpiece before drilling.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size\u003c\/strong\u003e: 1-3\/32 inches (1.0938 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/2 inch (0.5000 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 3 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\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 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\u003eDrill Length Type\u003c\/strong\u003e: Reduced Shank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length to Diameter Ratio\u003c\/strong\u003e: 4xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: R56\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.5 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: 5999899\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51714783609138,"sku":"5999899","price":138.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/480f654a13c68919845608c70ba7de88.jpg?v=1788506191","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5999899-reduced-shank-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}