{"product_id":"guhring-9006590016100-cobalt-stub-drill-bit-wire-52","title":"Guhring 9006590016100 Cobalt Stub Drill Bit Wire 52","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9006590016100 is a cobalt screw machine length (stub) drill bit designed for high-performance drilling in demanding materials. Built to DIN 1897 standards, this heavy-duty bit features a 130-degree drill point angle and a parabolic flute geometry with web thinning for improved chip evacuation and reduced thrust. At 0.0635 inches (wire size 52) in diameter, it is sized for precision work in tight tolerances. The straight-cylindrical shank seats securely in standard drill chucks. This bit is a professional-grade tool suited for machinists, tool-and-die shops, and industrial maintenance technicians working with hard or abrasive stock materials.\u003c\/p\u003e\u003cp\u003eThis stub-length drill bit is engineered primarily for titanium alloy workpieces, where cobalt construction provides the heat resistance and edge retention needed to maintain cutting performance. The shortened stub length increases rigidity and reduces deflection, making it well suited for close-tolerance drilling operations on CNC machines, manual drill presses, and screw machines. The parabolic flute profile promotes efficient chip clearing in deep-hole applications up to its maximum drilling depth. A 3xD flute-to-diameter ratio supports controlled chip flow without clogging.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCobalt construction rated as heavy-duty grade for hard and abrasive materials including titanium alloy\u003c\/li\u003e\n\u003cli\u003e130-degree drill point angle for aggressive penetration and reduced walking on hard surfaces\u003c\/li\u003e\n\u003cli\u003eParabolic flute design with web thinning improves chip evacuation and lowers feed force\u003c\/li\u003e\n\u003cli\u003eStub (screw machine) length increases rigidity and minimizes deflection in precision drilling\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank fits standard drill chucks without adapters\u003c\/li\u003e\n\u003cli\u003eBuilt to DIN 1897 specification for consistent dimensional accuracy\u003c\/li\u003e\n\u003cli\u003eDiameter tolerance of +0.000 to -0.014 mm for controlled fit in close-tolerance applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a DIN 1897 stub-length drill bit for use in standard drill chucks and collet systems accepting a straight-cylindrical shank at 0.0635 inches diameter. Primary workpiece material rated for titanium alloy; also applicable to other hard metals within the heavy-duty grade classification.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or maintenance technician familiar with cutting tool setup and machine operation. Ensure the spindle is fully stopped and the machine is locked out before changing or seating the bit in the chuck or collet. Use appropriate cutting fluid or coolant compatible with titanium alloy to manage heat buildup during drilling. Do not exceed the recommended maximum drilling depth of 0.2990 inches per the manufacturer geometry without a peck-drilling cycle to clear chips.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.0635 inches (Wire Size 52)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 34.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 10.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 0.2990 inches (7.59 mm)\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\u003eWeb Configuration\u003c\/strong\u003e: Parallel, Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 3xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Cobalt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Grade\u003c\/strong\u003e: Heavy Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0.000 to -0.014 mm\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 Length Type\u003c\/strong\u003e: Stub (Screw Machine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 1897\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 659\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.2 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: 9006590016100\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51729349476658,"sku":"9006590016100","price":22.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/06f4c11d7b2ac3ec6171e3fb832e04a6.jpg?v=1788703329","url":"https:\/\/voomisupply.com\/products\/guhring-9006590016100-cobalt-stub-drill-bit-wire-52","provider":"Voomi Supply","version":"1.0","type":"link"}