{"product_id":"guhring-9006600008500-micro-drill-bit-0-0335-in-cobalt","title":"Guhring 9006600008500 Micro Drill Bit 0.0335 in Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9006600008500 is a cobalt micro drill bit designed for precision drilling in small-diameter applications where dimensional accuracy is critical. At 0.0335 inches in diameter with a 118-degree faceted point, it delivers clean entry geometry on hard and difficult-to-machine materials. A TiN coating reduces surface friction and extends tool life in repetitive drilling cycles. The overall length is 0.984 inches, with a 1.50 mm straight-cylindrical shank sized for standard collets and precision drill chucks. Web-thinning and a tapered web configuration reduce thrust load at the cutting edge, which matters when working at this scale. This bit is used by machinists, tool-and-die technicians, and precision fabricators.\u003c\/p\u003e\u003cp\u003eThe 9006600008500 is rated primarily for aluminum and non-ferrous materials, with secondary suitability for titanium alloys. The Series 660 geometry follows DIN 1899 specification, a standard for short micro drills used in fine-pitch hole applications. The 5xD flute-to-diameter ratio and regular spiral flute type support chip evacuation in shallow, small-bore holes. Maximum drilling depth is 0.159 inches (4.03 mm). This tool is appropriate for CNC machining centers, manual drill presses, and precision hand-held drilling fixtures where runout control is maintained.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCobalt construction with TiN coating for extended tool life in hard and abrasive materials\u003c\/li\u003e\n\u003cli\u003e118-degree faceted point with web-thinning for reduced thrust and cleaner entry\u003c\/li\u003e\n\u003cli\u003eDIN 1899 Series 660 specification for consistent micro-drill geometry\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank at 1.50 mm for compatibility with standard precision collets\u003c\/li\u003e\n\u003cli\u003eRight-hand spiral flute design promotes chip evacuation in small-bore holes\u003c\/li\u003e\n\u003cli\u003eDiameter tolerance of +0.000 to -0.004 mm for tight positional accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a DIN 1899-compliant micro drill bit suitable for use in CNC machining centers and precision drilling setups that accept a 1.50 mm straight-cylindrical shank. Rated for aluminum (K, M, N, P material codes) and titanium alloy (S material code) workpieces.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified machinists or tooling technicians. Secure the shank in a precision collet or drill chuck with verified runout within acceptable tolerances for micro-diameter tooling — excessive runout at this diameter will cause premature breakage. Confirm spindle speed and feed rate are appropriate for the workpiece material before engaging the cut. Do not force the drill; micro drills are brittle and will snap under lateral load or excessive feed pressure.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.0335 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\u003eMaximum Drilling Depth\u003c\/strong\u003e: 0.159 inches (4.03 mm)\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\u003eTool Material\u003c\/strong\u003e: Cobalt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiN\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\u003eFlute Length\u003c\/strong\u003e: 5.30 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\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.50 mm\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\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\u003c\/strong\u003e: DIN 1899\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 660\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\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: 9006600008500\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51735464608050,"sku":"9006600008500","price":39.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6698fca6d43e8d5b871e64c9e9c87e15.jpg?v=1788772582","url":"https:\/\/voomisupply.com\/products\/guhring-9006600008500-micro-drill-bit-0-0335-in-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}