{"product_id":"guhring-9003010007400-micro-drill-bit-size-69-cobalt","title":"Guhring 9003010007400 Micro Drill Bit Size 69 Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9003010007400 is a cobalt micro drill bit designed for precision drilling in small-diameter applications. Sized at wire gauge 69 with a decimal diameter of 0.0292 inches, this bit features a 118-degree faceted point with web thinning for improved centering and reduced thrust force at entry. The overall length is 0.984 inches, and the straight-cylindrical shank measures 1.00 mm in diameter. Built to DIN 1899 specification, it is suited for machinists, tool and die shops, and precision fabrication environments where tight tolerances and consistent hole geometry are required.\u003c\/p\u003e\n\u003cp\u003eThis micro drill bit is primarily engineered for aluminum and non-ferrous materials, with secondary application in titanium alloys. The 5xD flute-to-diameter ratio and 3.69 mm maximum drilling depth make it well suited for shallow, small-diameter through-holes and blind holes in precision components. It is appropriate for use in CNC machining centers, drill presses, and manual precision drilling setups where repeatable results in fine-diameter work are critical. The bright, uncoated finish keeps the cobalt substrate exposed for direct heat dissipation during dry or lubricated drilling operations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eWire gauge 69 diameter — 0.0292 inches decimal — for micro-precision hole work\u003c\/li\u003e\n  \u003cli\u003e118-degree faceted point with web thinning and tapered web configuration for accurate entry\u003c\/li\u003e\n  \u003cli\u003eCobalt construction provides elevated heat resistance versus standard high-speed steel\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut spiral flute promotes consistent chip evacuation in shallow holes\u003c\/li\u003e\n  \u003cli\u003eDiameter tolerance of +0.000 to -0.004 mm supports tight-tolerance hole requirements\u003c\/li\u003e\n  \u003cli\u003eBright\/uncoated finish — no coating buildup to affect final hole diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for primary use in aluminum and non-ferrous workpiece materials, with rated secondary application in titanium alloys. Conforms to DIN 1899 specification for micro drill geometry. Suitable for use in standard straight-shank collet chucks and precision drill chucks accepting 1.00 mm shank diameter.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis bit is installed by machinists and precision tooling technicians in machine shop environments. Secure the straight-cylindrical shank in a collet or drill chuck rated for 1.00 mm shanks before use. At micro diameters, spindle runout directly affects tool life and hole accuracy — verify runout on the spindle and chuck before drilling. Do not apply excessive feed force; cobalt micro drills are brittle at small diameters and will fracture if deflected or side-loaded.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: 69\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (Decimal Inch)\u003c\/strong\u003e: 0.0292 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 0.984 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.00 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 4.80 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 3.69 mm (0.1450 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: Faceted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral (Regular)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\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: Cobalt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: +0.000 to -0.004 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 5xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material\u003c\/strong\u003e: Titanium Alloy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e: DIN 1899\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 301\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\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: 9003010007400\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51754895114546,"sku":"9003010007400","price":171.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d9e237a0129910bf64b4deb3364d446b.jpg?v=1788949592","url":"https:\/\/voomisupply.com\/products\/guhring-9003010007400-micro-drill-bit-size-69-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}