{"product_id":"guhring-9003010010700-micro-drill-bit-size-58-cobalt","title":"Guhring 9003010010700 Micro Drill Bit Size 58 Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9003010010700 is a cobalt micro drill bit in the Series 301 line, designed for precision drilling in small-diameter applications. It carries a wire size designation of 58, a metric diameter of 1.07 mm (0.0421 inches decimal), and an overall length of 25 mm. The 118-degree faceted point and web-thinned, tapered web geometry reduce entry force and improve centering accuracy. The spiral flute with a 5xD flute-by-diameter ratio handles chip evacuation in shallow-to-moderate depth holes. Manufactured from cobalt high-speed steel with a bright, uncoated finish, this bit is suited for licensed machinists and tool-and-die professionals working in high-precision environments.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is intended for use in precision machining operations where tight hole tolerances are required. Its primary designated workpiece material is aluminum, with secondary suitability for titanium alloys. The straight-cylindrical shank with a 1.50 mm shank diameter fits standard collet chucks and precision drill chucks used in CNC machining centers, drill presses, and high-speed spindles. Maximum drilling depth is 6.00 mm (0.236 inches). The DIN 1899 specification governs dimensional standards for this size class, making it a recognized industry-standard geometry for micro-drilling operations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCobalt construction provides heat resistance and edge retention in abrasive and work-hardening materials\u003c\/li\u003e\n  \u003cli\u003e118-degree faceted point with web thinning reduces thrust load and improves hole entry accuracy\u003c\/li\u003e\n  \u003cli\u003e1.07 mm cutting diameter with a tight tolerance of +0.000 to -0.004 mm for precision fitment\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical 1.50 mm shank for compatibility with standard collet and drill chuck systems\u003c\/li\u003e\n  \u003cli\u003eSpiral flute design with 5xD ratio supports chip evacuation in aluminum and titanium alloy applications\u003c\/li\u003e\n  \u003cli\u003eBright, uncoated finish maintains dimensional consistency without coating thickness variables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-specification micro drill bit conforming to DIN 1899 for wire size 58 applications. Rated for aluminum (material code K, M, N, P) as primary workpiece material and titanium alloy (material code S) as secondary workpiece material. No coolant-through capability; intended for dry or externally lubricated drilling setups.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use of this micro drill bit should be performed by qualified machinists familiar with high-speed precision drilling setups. Always secure the straight-cylindrical shank fully into the collet or chuck before operation, and verify runout with a dial indicator when tolerances are critical. Power down and de-energize the spindle completely before bit changes. Avoid side loading and do not exceed the rated maximum drilling depth of 6.00 mm to prevent bit deflection or breakage at this diameter.\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: 58\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (mm)\u003c\/strong\u003e: 1.07 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (Decimal Inch)\u003c\/strong\u003e: 0.0421 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: Bright\/Uncoated\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\u003eFlute Length\u003c\/strong\u003e: 7.60 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 25 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 6.00 mm (0.236 inches)\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\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 5xD\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\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\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\u003eSeries\u003c\/strong\u003e: 301\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecification\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: 9003010010700\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51735189979442,"sku":"9003010010700","price":248.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/499ad605971942066594da6e52b7c21e.jpg?v=1788770157","url":"https:\/\/voomisupply.com\/products\/guhring-9003010010700-micro-drill-bit-size-58-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}