{"product_id":"guhring-9003010010300-micro-drill-bit-1-03-mm-cobalt","title":"Guhring 9003010010300 Micro Drill Bit 1.03 Mm Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9003010010300 is a cobalt micro drill bit engineered for precision drilling in small-diameter applications. With a 1.03 mm (0.0406 inch) cutting diameter and a 118-degree faceted point angle, this bit delivers accurate hole entry and consistent performance in tight-tolerance work. The bright\/uncoated cobalt construction offers solid heat resistance compared to standard HSS tooling. The web-thinned, tapered web design reduces thrust force and improves chip evacuation. Overall length is 25 mm with a 6.80 mm flute length and a maximum drilling depth of 5.26 mm (0.207 inch). The 1.50 mm straight-cylindrical shank seats cleanly in standard collet and drill chuck setups. This bit is intended for machinists, toolmakers, and precision fabricators working with small-diameter through-hole and blind-hole operations.\u003c\/p\u003e\n\u003cp\u003eThe 9003010010300 is rated primarily for aluminum and non-ferrous materials, with secondary suitability for titanium alloys. It is built to DIN 1899 specification, making it appropriate for precision machine shop environments where dimensional accuracy and consistent hole quality are required. The spiral flute geometry and right-hand cutting direction suit standard CNC and benchtop drill press setups. The 5xD flute-to-diameter ratio supports depth control in micro-drilling applications where chip clearance is a critical factor.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1.03 mm cobalt construction for improved heat resistance versus standard HSS\u003c\/li\u003e\n  \u003cli\u003e118-degree faceted point with web thinning reduces entry thrust and improves centering\u003c\/li\u003e\n  \u003cli\u003eTapered web configuration supports chip flow in shallow micro-drilling depths\u003c\/li\u003e\n  \u003cli\u003eDIN 1899 specification ensures dimensional consistency across production runs\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank at 1.50 mm fits standard collet and chuck tooling\u003c\/li\u003e\n  \u003cli\u003eDiameter tolerance of +0.000 to -0.004 mm for tight-clearance hole requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a DIN 1899-compliant micro drill bit suitable for use in CNC machining centers, benchtop drill presses, and precision hand drills equipped with appropriate collet or chuck systems accepting a 1.50 mm straight-cylindrical shank. Primary workpiece materials are aluminum and non-ferrous metals; secondary application includes titanium alloys.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use of this drill bit should be performed by qualified machinists or toolroom professionals familiar with micro-diameter tooling. Ensure the spindle and chuck are clean and true before seating the shank to avoid runout at this diameter. At 1.03 mm, the bit is susceptible to breakage from side-loading, misalignment, or excessive feed rates — use manufacturer-recommended speeds and feeds for cobalt tooling in the target material. Secure all workpieces firmly before drilling and use appropriate cutting fluid for titanium alloy applications.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 1.03 mm (0.0406 inch)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.50 mm\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: 6.80 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 5.26 mm (0.207 inch)\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\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\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\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\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: 9003010010300\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51732347748658,"sku":"9003010010300","price":248.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/58f84c26559ec36538eb6b4d745fcdb7.jpg?v=1788741899","url":"https:\/\/voomisupply.com\/products\/guhring-9003010010300-micro-drill-bit-1-03-mm-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}