{"product_id":"guhring-9003010011600-cobalt-micro-drill-bit-1-16-mm","title":"Guhring 9003010011600 Cobalt Micro Drill Bit 1.16 Mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9003010011600 is a cobalt micro drill bit designed for precision drilling in small-diameter applications. Built to DIN 1899 specification, it features a 118-degree faceted point with web thinning for reduced entry force and improved centering. The straight-cylindrical shank measures 1.50 mm in diameter, and the overall length is 25 mm with a flute length of 7.60 mm. The bright, uncoated finish suits applications where coating additives are undesirable. This bit is used by machinists, tool-and-die professionals, and precision fabricators working with tight-tolerance bore requirements.\u003c\/p\u003e\u003cp\u003eThe 9003010011600 is suited for drilling aluminum, non-ferrous metals, and titanium alloys in both production and prototype environments. Its Series 301 designation and 5xD flute-to-diameter ratio make it a standard choice for micro-hole work on CNC machining centers and manual drill presses where controlled feed rates are maintained. The right-hand spiral flute clears chips efficiently at small diameters where chip packing is a common failure point.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1.16 mm drill diameter with a tight tolerance of +0.000 to -0.004 mm for precise bore sizing\u003c\/li\u003e\n\u003cli\u003e118-degree faceted point with web thinning and tapered web configuration for clean entry\u003c\/li\u003e\n\u003cli\u003eCobalt construction provides heat resistance and edge retention in harder workpiece materials\u003c\/li\u003e\n\u003cli\u003eRight-hand spiral flute geometry promotes efficient chip evacuation in micro-diameter holes\u003c\/li\u003e\n\u003cli\u003eBright\/uncoated finish compatible with a wide range of cutting fluids and workpiece materials\u003c\/li\u003e\n\u003cli\u003eBuilt to DIN 1899 specification for dimensional consistency across production runs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in aluminum, non-ferrous metals, and titanium alloys as stated in the manufacturer specifications. Primary workpiece material codes K, M, N, and P apply, with secondary compatibility for material code S (titanium alloy). No additional specific machine or chuck compatibility data was provided in the input.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use of micro drill bits should be performed by qualified machinists familiar with small-diameter tooling. Secure the straight-cylindrical shank in a collet or chuck rated for 1.50 mm shanks, ensuring runout is minimized before drilling. Reduce spindle speed and feed rate compared to standard-diameter bits to avoid bit deflection or breakage. Do not apply excessive axial force, particularly at entry; allow the web-thinned point to self-guide before increasing feed pressure.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 1.16 mm (0.0457 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: 5.86 mm (0.2310 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\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\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\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\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\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 (Codes K, M, N, P)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Material\u003c\/strong\u003e: Titanium Alloy (Code S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\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\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\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: 9003010011600\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51755206377778,"sku":"9003010011600","price":248.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1a2b3117b9a237dd339b4b02d7c7a8de.jpg?v=1788952174","url":"https:\/\/voomisupply.com\/products\/guhring-9003010011600-cobalt-micro-drill-bit-1-16-mm","provider":"Voomi Supply","version":"1.0","type":"link"}