{"product_id":"guhring-9006600001900-micro-drill-bit-cobalt-tin-118deg","title":"Guhring 9006600001900 Micro Drill Bit Cobalt Tin 118deg","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9006600001900 is a cobalt micro drill bit engineered for precision drilling in small-diameter applications. Built to DIN 1899 specification, this Series 660 bit carries a wire gauge size of 93, which corresponds to a decimal diameter of 0.0075 inches. The TiN coating extends tool life and reduces friction during cutting. A 118-degree faceted point with web thinning and a tapered web configuration improves centering accuracy and reduces thrust on entry. The straight-cylindrical shank measures 1.00 mm in diameter, and the overall length is 0.984 inches. Right-hand spiral fluting evacuates chips efficiently in high-speed operations. Licensed machinists and precision tooling technicians are the primary users of this bit.\u003c\/p\u003e\n\u003cp\u003eThis micro drill bit is suited for drilling aluminum as its primary workpiece material, with titanium alloy listed as a secondary workpiece material. The 5xD flute-to-diameter ratio supports controlled chip evacuation in shallow micro-hole applications. Maximum drilling depth is 0.032 inches (0.82 mm), making this bit appropriate for PCB work, instrument components, medical device manufacturing, and other tight-tolerance machining environments where hole position and diameter consistency are critical. The regular spiral type and right-hand cut are standard for conventional CNC and manual drilling setups.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eWire size 93 (0.0075 inches decimal diameter) for micro-hole drilling\u003c\/li\u003e\n  \u003cli\u003eCobalt construction with TiN coating for wear resistance and extended tool life\u003c\/li\u003e\n  \u003cli\u003e118-degree faceted point with web thinning for accurate entry and reduced thrust\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank at 1.00 mm diameter for standard collet compatibility\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, regular spiral fluting for efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003eBuilt to DIN 1899 specification for dimensional consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in precision drilling applications involving aluminum (material code K, M, N, P) and titanium alloy (material code S) workpieces, consistent with Series 660 DIN 1899 micro drill specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use of this bit should be performed by qualified machinists or tooling technicians familiar with micro-diameter drill handling. Secure the straight-cylindrical shank firmly in a precision collet or chuck rated for 1.00 mm shanks before operation. At this diameter, excessive runout or side loading will cause bit breakage -- verify spindle runout is within acceptable tolerance before drilling. Follow machine manufacturer guidelines and applicable shop safety procedures when working with micro tooling at high RPM.\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: 93\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (Decimal Inch)\u003c\/strong\u003e: 0.0075 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: TiN\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 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\u003eFlute Type\u003c\/strong\u003e: Spiral (Regular)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 0.984 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.10 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 0.032 inches (0.82 mm)\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 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\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 660\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecification Number\u003c\/strong\u003e: DIN 1899\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241600\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: 9006600001900\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51729656873266,"sku":"9006600001900","price":435.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4dea21d941a4095c7b08af340bbcf59a.jpg?v=1788707318","url":"https:\/\/voomisupply.com\/products\/guhring-9006600001900-micro-drill-bit-cobalt-tin-118deg","provider":"Voomi Supply","version":"1.0","type":"link"}