{"product_id":"guhring-9006590073700-cobalt-stub-drill-bit-0-2902in","title":"Guhring 9006590073700 Cobalt Stub Drill Bit 0.2902in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9006590073700 is a cobalt screw machine (stub) length drill bit engineered for demanding metal-cutting applications. Built to DIN 1897 standards, it features a 0.2902-inch diameter with a parabolic flute geometry and a 130-degree split point that reduces walking and lowers thrust on entry. The straight-cylindrical shank measures 0.2902 inches in diameter and 1.5748 inches in length, fitting standard drill chucks without adapters. Web thinning with a parallel web configuration reduces cutting resistance in tough materials. This bit is rated for heavy-duty use and is the correct tool when a standard jobber-length bit lacks the rigidity required for close-tolerance work in hard alloys.\u003c\/p\u003e\u003cp\u003eThis drill bit is designed for machining titanium alloy and similarly hard workpiece materials where a shorter flute length provides added stiffness and reduced deflection. With a maximum drilling depth of 0.9040 inches (22.95 mm) and a 3xD flute-to-diameter ratio, it suits CNC machining centers, drill presses, and manual operations in production or maintenance environments. The right-hand cut, two-flute parabolic design promotes efficient chip evacuation in deep holes without coolant-through capability, making it appropriate for applications using external flood or mist coolant. It is sold individually but carries a minimum order quantity of 10 units.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCobalt construction for heat resistance and durability in hard-alloy cutting\u003c\/li\u003e\n\u003cli\u003e130-degree split point reduces thrust and prevents bit walking on entry\u003c\/li\u003e\n\u003cli\u003eParabolic flute profile improves chip evacuation in deep-hole drilling\u003c\/li\u003e\n\u003cli\u003eWeb-thinned parallel web reduces cutting resistance in difficult materials\u003c\/li\u003e\n\u003cli\u003eStub length body increases rigidity and minimizes deflection\u003c\/li\u003e\n\u003cli\u003eDiameter tolerance of +0.000 to -0.022 mm for consistent hole sizing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a DIN 1897 stub-length replacement drill bit suited for use in standard drill chucks accepting a 0.2902-inch straight-cylindrical shank. Primary workpiece material is titanium alloy; also appropriate for other high-strength metals requiring a heavy-duty cobalt bit in the 0.2500 to 0.3000-inch diameter range.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by a qualified machinist or tooling technician. Secure the shank fully in a drill chuck or collet and confirm runout before cutting. Always power down and lock out the machine before changing tooling. Use appropriate external coolant or cutting fluid when working titanium or other hard alloys to extend tool life and maintain hole tolerances.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Letter)\u003c\/strong\u003e: L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.2902 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 130 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Cobalt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Parabolic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 34.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.9134 inches (74.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.2902 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.5748 inches (40.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 0.9040 inches (22.95 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute by 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\u003eWeb Configuration\u003c\/strong\u003e: Parallel Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Length Type\u003c\/strong\u003e: Stub\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Titanium Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Grade\u003c\/strong\u003e: Heavy Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0.000 to -0.022 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 659\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 1897\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: GUHRING\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 9006590073700\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51748530749746,"sku":"9006590073700","price":573.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a83c060d5b94068946bd8a4bbe896563_51609ade-72a2-420e-9f44-8aa6cbfc0c94.jpg?v=1788894894","url":"https:\/\/voomisupply.com\/products\/guhring-9006590073700-cobalt-stub-drill-bit-0-2902in","provider":"Voomi Supply","version":"1.0","type":"link"}