{"product_id":"precision-twist-drill-5999842-reduced-shank-drill-bit","title":"Precision Twist Drill 5999842 Reduced Shank Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PRECISION TWIST DRILL 5999842 is a reduced shank twist drill bit engineered for boring large-diameter holes through ferrous metals, aluminum, copper, and a range of other workpiece materials. The bit features a 1-1\/2-inch cutting diameter paired with a 1\/2-inch straight-cylindrical shank, allowing it to seat in standard 1\/2-inch chucks without requiring an oversized chuck or arbor. Ground from high-speed steel (HSS) with a bright, uncoated finish, this bit carries a 118-degree standard point angle suited to general-purpose drilling. Machinists, pipefitters, ironworkers, and maintenance mechanics are the primary installers for a bit of this diameter range.\u003c\/p\u003e\n\u003cp\u003eThe 5999842 fits production-floor drill presses, magnetic base drills, and heavy-duty handheld drills equipped with a 1\/2-inch chuck. At 6 inches overall length with a 3-inch flute length, it handles through-holes and stepped holes in structural steel, pipe flanges, electrical enclosures, aluminum plate, copper bus, and similar fabrication or maintenance applications. The R56 series designation places this bit within PRECISION TWIST DRILL's general-purpose reduced-shank line, built to ANSI standards. Right-hand spiral flutes evacuate chips efficiently during standard clockwise drilling operations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1-1\/2-inch cutting diameter with 1\/2-inch reduced shank — fits standard 1\/2-inch chucks\u003c\/li\u003e\n  \u003cli\u003eHigh-speed steel construction for durability across ferrous and non-ferrous workpieces\u003c\/li\u003e\n  \u003cli\u003e118-degree standard point angle for general-purpose material entry\u003c\/li\u003e\n  \u003cli\u003eBright, uncoated finish — compatible with cutting fluids and coolant-free dry drilling\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut with regular spiral flutes for positive chip evacuation\u003c\/li\u003e\n  \u003cli\u003eBuilt to ANSI standards — Series R56\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style general-purpose reduced shank drill bit for use in any 1\/2-inch capacity chuck. Rated for primary use on ferrous metals and secondary use on aluminum, cermet, copper, magnesium, nickel, synthetic, and titanium workpiece materials per manufacturer specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eSecure the 1\/2-inch shank firmly in a properly rated drill chuck before operation; verify the chuck key is fully removed before powering the machine. De-energize and lock out any magnetic drill base or drill press before changing bits. Apply an appropriate cutting fluid when drilling ferrous metals at this diameter to extend bit life and manage heat. Wear eye and hand protection in accordance with applicable ANSI and shop safety standards when operating large-diameter drill bits.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 1-1\/2 inches (1.5000 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 (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\u003eCoolant\u003c\/strong\u003e: Not required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: R56\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\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: 5999842\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51693012353330,"sku":"5999842","price":269.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2587aad697474a283f724ac9020c568d.jpg?v=1788306203","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5999842-reduced-shank-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}