{"product_id":"kennametal-4150247-19-64-in-carbide-stub-drill-bit","title":"Kennametal 4150247 19\/64 in Carbide Stub Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 4150247 is a screw machine length (stub) solid carbide drill bit designed for high-performance drilling in demanding production environments. Built to DIN 6537K standards, it features a 19\/64 inch (0.2969 inch decimal) diameter, a 140-degree split point for accurate self-centering, and a multilayer TiAlN coating at the tip to extend tool life under heat and abrasion. The straight cylindrical shank and right-hand spiral flute geometry suit it for use in CNC machining centers, drill presses, and screw machine setups where short, rigid tooling is required. This bit is sold individually and is appropriate for tool room machinists, production shop technicians, and CNC operators.\u003c\/p\u003e\u003cp\u003eThis drill bit is suited for stub-length applications where rigidity and minimal deflection are priorities over deep-hole capacity. The 3xD flute-to-diameter ratio and tapered web configuration support chip evacuation in short-reach drilling operations. Typical applications include precision hole-making in ferrous and non-ferrous metals on production lines or job shop floors where a compact, stiff drill profile reduces chatter and improves hole quality. Maximum drilling depth is 1.1417 inches (29.00 mm).\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction for rigidity and wear resistance in production drilling\u003c\/li\u003e\n\u003cli\u003eTiAlN tip coating extends tool life in high-temperature cutting conditions\u003c\/li\u003e\n\u003cli\u003e140-degree point angle promotes self-centering and reduces walking on entry\u003c\/li\u003e\n\u003cli\u003eStub length (screw machine length) profile minimizes deflection in short-reach setups\u003c\/li\u003e\n\u003cli\u003eRight-hand, regular spiral flute design with tapered web for efficient chip clearance\u003c\/li\u003e\n\u003cli\u003eConforms to DIN 6537K specification for consistent dimensional tolerance (-0.0006 to 0.0000 inch)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style stub drill for use in standard straight-shank drill chucks and collet systems accepting a 0.3150 inch (8.00 mm) shank diameter; part of the KENNAMETAL B041A-CPG series.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or CNC technician. Ensure the machine spindle is fully stopped and locked out before changing tooling. Secure the straight shank in a properly sized drill chuck or collet to the manufacturer-recommended clamping depth before operation. Verify spindle speed and feed rate settings match the workpiece material and drill diameter before engaging the cut.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 19\/64 inch (0.2969 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.1102 inches (79.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.6142 inches (41.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 1.1417 inches (29.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.3150 inches (8.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.4173 inches (36.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Length\u003c\/strong\u003e: 0.0502 inches (1.28 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 140 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Regular Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute-to-Diameter Ratio\u003c\/strong\u003e: 3xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiAlN (Tip)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: -0.0006 to 0.0000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Length Type\u003c\/strong\u003e: Stub (Screw Machine Length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: B041A-CPG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e: DIN 6537K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241635\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: KENNAMETAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 4150247\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51731970490674,"sku":"4150247","price":117.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7b3222f582e3f916a33adbc5e2b6e584.jpg?v=1788737407","url":"https:\/\/voomisupply.com\/products\/kennametal-4150247-19-64-in-carbide-stub-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}