{"product_id":"guhring-9003010002300-micro-drill-bit-wire-89-cobalt","title":"Guhring 9003010002300 Micro Drill Bit Wire 89 Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9003010002300 is a cobalt micro drill bit engineered for precision drilling in tight-tolerance applications. It carries a wire gauge size of 89, equivalent to 0.0091 inches in decimal, and features a 118-degree faceted point with web thinning for accurate hole entry and reduced thrust force. The overall length is 0.984 inches, with a straight-cylindrical shank measuring 1.00 mm in diameter. Built to DIN 1899 specification, this bit uses a spiral flute in a right-hand cutting direction. The bright, uncoated cobalt construction provides heat resistance and edge retention when drilling hard or abrasive materials without coolant-through capability.\u003c\/p\u003e\u003cp\u003eThis micro drill bit is intended for use in ferrous and non-ferrous materials, with aluminum listed as the primary workpiece material and titanium alloy as a secondary application. The 5xD flute-to-diameter ratio and tapered web configuration make it well suited for small-diameter, shallow holes in precision machining, instrument assembly, and general metalworking environments. Maximum drilling depth reaches 0.046 inches (1.16 mm). It fits standard drill chucks and collets accepting a 1.00 mm straight shank and is commonly used by machinists and toolroom technicians working with CNC machines, drill presses, or precision hand equipment.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWire size 89 (0.0091 inches decimal) for micro-diameter drilling\u003c\/li\u003e\n\u003cli\u003e118-degree faceted point with web thinning reduces entry thrust and improves centering\u003c\/li\u003e\n\u003cli\u003eCobalt construction resists heat and wear in aluminum and titanium alloy work\u003c\/li\u003e\n\u003cli\u003eSpiral flute, right-hand cut with tapered web configuration\u003c\/li\u003e\n\u003cli\u003eBright uncoated finish maintains dimensional accuracy in tight-tolerance bores\u003c\/li\u003e\n\u003cli\u003eConforms to DIN 1899 specification for consistent quality and interchangeability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct substitute for Series 301 micro drill bits conforming to DIN 1899, suitable for standard 1.00 mm straight-shank collets and chucks used in precision CNC and manual drilling applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis bit is installed by a machinist or toolroom technician into a compatible collet or drill chuck that accepts a 1.00 mm straight-cylindrical shank. Verify chuck runout before use, as excessive runout at this diameter will cause premature breakage. Secure all workpieces firmly before drilling at micro diameters, and use manufacturer-recommended feed and speed rates for the specific workpiece material. No coolant-through capability is present, so external lubrication or misting is advised when drilling titanium alloys.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: 89\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.0091 inches\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\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\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered\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 Type\u003c\/strong\u003e: Straight-Cylindrical\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: 1.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 0.046 inches (1.16 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\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: +0.000 to -0.004 mm\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\u003eSeries\u003c\/strong\u003e: 301\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification Number\u003c\/strong\u003e: DIN 1899\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241600\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: 9003010002300\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51732378452274,"sku":"9003010002300","price":171.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e607c21971e0ce2a4c9e4816113cde05.jpg?v=1788742237","url":"https:\/\/voomisupply.com\/products\/guhring-9003010002300-micro-drill-bit-wire-89-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}