{"product_id":"precision-twist-drill-5999959-reduced-shank-drill-bit","title":"Precision Twist Drill 5999959 Reduced Shank Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PRECISION TWIST DRILL 5999959 is a reduced shank twist drill bit designed for general-purpose hole drilling in ferrous metals and a range of non-ferrous materials. The bit measures 21\/32 inch (0.6562 inch) in diameter with a 1\/2 inch straight-cylindrical reduced shank, allowing it to seat in standard 1\/2 inch chucks even though the cutting diameter is larger. Overall length is 6 inches with a 3 inch flute length. Constructed from high speed steel (HSS) with a bright uncoated finish, this bit is part of the Series R56 lineup and carries a 118-degree standard point angle suited to a wide range of shop and field drilling tasks.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is intended for use in metal fabrication, HVAC rough-in, plumbing, electrical, and mechanical service work where holes larger than 1\/2 inch diameter are needed but only a 1\/2 inch chuck is available. The reduced shank design is a practical solution for tradespeople working with standard-capacity drills on the job site. Right-hand spiral flutes evacuate chips efficiently during drilling. Compatible workpiece materials include ferrous metals as the primary application, with secondary suitability for aluminum, copper, magnesium, nickel, titanium, and certain synthetic materials.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e21\/32 inch cutting diameter with 1\/2 inch reduced straight-cylindrical shank for use in standard 1\/2 inch chucks\u003c\/li\u003e\n  \u003cli\u003e118-degree standard point angle for general-purpose drilling in metals and non-ferrous materials\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction provides durability across a broad range of workpiece materials\u003c\/li\u003e\n  \u003cli\u003eBright uncoated finish — no coating to chip or delaminate during heavy use\u003c\/li\u003e\n  \u003cli\u003eRight-hand spiral flutes with regular spiral promote consistent chip evacuation\u003c\/li\u003e\n  \u003cli\u003eSeries R56, ANSI standards compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a general-purpose replacement or stock drill bit for use in any 1\/2 inch keyed or keyless drill chuck. Primary workpiece material is ferrous metal; secondary compatible materials include aluminum, copper, magnesium, nickel, titanium, cermet, and synthetic materials per manufacturer specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis bit is installed and operated by machinists, pipefitters, electricians, HVAC technicians, and general trade professionals using corded or cordless drills and drill presses. Secure the reduced shank fully in the chuck and verify the chuck is tightened before operation. Use appropriate cutting fluid or lubricant when drilling ferrous metals to extend bit life, unless the workpiece material or application requires dry cutting. 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: 21\/32 inch (0.6562 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/2 inch (0.5000 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical (Reduced)\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 (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\u003eTool Performance\u003c\/strong\u003e: General Purpose\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\u003eCoolant Required\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: 5999959\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51714452226354,"sku":"5999959","price":67.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7c330a2810be9993ab94f80c32b530fc.jpg?v=1788501659","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5999959-reduced-shank-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}