{"product_id":"guhring-9003010011800-size-56-cobalt-micro-drill-bit","title":"Guhring 9003010011800 Size 56 Cobalt Micro Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9003010011800 is a cobalt micro drill bit designed for precision drilling in small-diameter applications. Built to DIN 1899 specification in Series 301, it features a 118-degree faceted point with web thinning for clean entry and reduced thrust. The drill measures 1.18 mm (0.0465 inches) in diameter with a 1.50 mm straight-cylindrical shank, a spiral flute length of 7.60 mm, and an overall length of 25 mm (approximately 0.984 inches). The cobalt construction provides heat and wear resistance for demanding materials. Diameter tolerance is held to +0.000 to -0.004 mm for consistent, repeatable results. Installed by machinists and precision fabricators working with close-tolerance components.\u003c\/p\u003e\u003cp\u003eThis micro drill is suited for applications in aluminum, titanium alloy, and similar workpiece materials where tight tolerances and small diameters are required. The 5xD flute-to-diameter ratio and tapered web configuration support chip evacuation in shallow to moderate-depth holes, with a maximum drilling depth of 5.83 mm (0.230 inches). The bright\/uncoated finish makes it well matched to non-ferrous metals where coating adhesion or contamination is a concern. Typical use includes precision instrument manufacturing, aerospace component drilling, and electronics assembly fixtures where wire gauge sizing standards apply.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCobalt tool material for elevated heat resistance and extended tool life in hard or abrasive materials\u003c\/li\u003e\n\u003cli\u003e118-degree faceted drill point with web thinning for reduced entry force and accurate positioning\u003c\/li\u003e\n\u003cli\u003eDIN 1899 specification, Series 301 for standardized dimensional compliance\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank at 1.50 mm diameter for secure collet or chuck retention\u003c\/li\u003e\n\u003cli\u003eBright\/uncoated finish suited to aluminum and non-ferrous workpiece materials\u003c\/li\u003e\n\u003cli\u003eRight-hand spiral flute with tapered web for reliable chip evacuation in small-diameter holes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in precision drilling applications with primary workpiece materials including aluminum (material codes K, M, N, P) and secondary materials including titanium alloy (material code S), as specified by the manufacturer for this series.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis drill bit is installed by machinists and precision fabricators using CNC machining centers, drill presses, or hand-held precision drilling equipment with appropriately sized collets or chucks. Verify spindle runout is within acceptable limits before use, as micro drill bits are sensitive to misalignment and deflection. Power down and lock out all equipment before changing tooling. Cutting speeds and feeds should follow manufacturer recommendations for cobalt tooling in the specific workpiece material being drilled.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: 56\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (mm)\u003c\/strong\u003e: 1.18 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (Decimal Inch)\u003c\/strong\u003e: 0.0465 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 25 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 7.60 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 5.83 mm (0.230 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\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\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\u003eWeb Configuration\u003c\/strong\u003e: Tapered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute By Diameter Ratio\u003c\/strong\u003e: 5xD\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\u003eCoolant Through\u003c\/strong\u003e: No\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\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 Number\u003c\/strong\u003e: DIN 1899\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 301\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: 9003010011800\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51728863953202,"sku":"9003010011800","price":248.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0691add69f359bb83eeb581c423b8119.jpg?v=1788697085","url":"https:\/\/voomisupply.com\/products\/guhring-9003010011800-size-56-cobalt-micro-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}