{"product_id":"guhring-9006580079400-cobalt-jobber-drill-bit-5-16-in","title":"Guhring 9006580079400 Cobalt Jobber Drill Bit 5\/16 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9006580079400 is a cobalt jobber-length drill bit with a titanium nitride (TiN) coating, designed for high-performance drilling in ferrous metals. The bit measures 5\/16 inches in diameter with an overall length of 4-19\/32 inches and a flute length of 2-15\/16 inches. Built to DIN 338 standards, it features a 130-degree split point, a parabolic flute profile, and a web-thinned, tapered web configuration that reduces thrust and improves chip evacuation. Right-hand cut with a straight-cylindrical shank, it fits standard drill chucks without adapters. This bit belongs to Guhring Series 658 and is rated for production and maintenance drilling applications.\u003c\/p\u003e\n\u003cp\u003eThis bit is suited for drilling cast iron and steel in residential, commercial, and industrial settings. The 5xD flute-to-diameter ratio and parabolic flute geometry make it well-matched for deeper holes where chip clearing is a concern. The TiN coating extends tool life when running at elevated feeds and speeds typical of production drilling. Machinists, maintenance technicians, and metalworking trades will find this bit appropriate for repetitive drilling cycles in P- and K-class workpiece materials as classified under ISO material groupings.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCobalt steel construction with TiN coating for extended wear resistance in ferrous metals\u003c\/li\u003e\n  \u003cli\u003e130-degree drill point angle with web thinning for reduced entry thrust\u003c\/li\u003e\n  \u003cli\u003eParabolic flute geometry with 5xD ratio promotes efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank fits standard keyless and keyed drill chucks\u003c\/li\u003e\n  \u003cli\u003eBuilt to DIN 338 specification for consistent dimensional tolerances\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, two-flute design suitable for cast iron and steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-specification jobber-length drill bit for use in standard drill chucks accepting a 5\/16-inch straight-cylindrical shank. Primary workpiece materials are cast iron and steel per DIN 338 Series 658 application guidelines.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by machinists or maintenance technicians using a drill press, CNC machining center, or hand-held drill with an appropriate chuck. Secure the shank fully in the chuck before operation and verify chuck runout is within acceptable limits to avoid premature bit wear. Power down and de-energize the machine before changing bits. Do not use this bit on materials outside its rated workpiece classification without verifying compatibility with the manufacturer.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 5\/16 inches (0.3125 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4-19\/32 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2-15\/16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 2.484 inches (63.09 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 5\/16 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\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Parabolic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute By Diameter Ratio\u003c\/strong\u003e: 5xD\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\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cobalt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Titanium Nitride (TiN)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Cast Iron, Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: -0.022 to 0.000 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 338\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 658\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: GUHRING\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 9006580079400\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51755903582514,"sku":"9006580079400","price":420.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/37b840b39ace4e64058ba1251b28b551.jpg?v=1788961392","url":"https:\/\/voomisupply.com\/products\/guhring-9006580079400-cobalt-jobber-drill-bit-5-16-in","provider":"Voomi Supply","version":"1.0","type":"link"}