{"product_id":"guhring-9055200110000-drill-bit-0-4331-in-cobalt-stub","title":"Guhring 9055200110000 Drill Bit 0.4331 in Cobalt Stub","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9055200110000 is a stub-length cobalt screw machine drill bit designed for high-productivity drilling in metalworking and industrial applications. Built to DIN 1897 standards, this Series 5520 bit measures 11.00 mm (0.4331 inches) in diameter with a straight-cylindrical shank of the same diameter. The 118-degree four-facet split point provides fast penetration and self-centering entry, while the web-thinned, tapered web construction reduces thrust requirements. Right-hand spiral flutes and a 3xD flute-to-diameter ratio support efficient chip evacuation. Licensed machinists and tool room technicians are the primary users of this bit.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is suited for stub-length drilling operations where rigidity is critical and a shorter tool overhang is preferred. The cobalt construction handles demanding workpiece materials, with aluminum listed as a primary workpiece material. The bit is appropriate for use in drill presses, CNC machining centers, and manual lathes wherever a screw machine length tool is specified. The maximum drilling depth is 1.2010 inches (30.50 mm), making it well matched to through-hole and moderate-depth blind-hole work in production and maintenance environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCobalt tool material with coating for extended tool life in demanding materials\u003c\/li\u003e\n  \u003cli\u003e118-degree four-facet split point for self-centering and reduced thrust\u003c\/li\u003e\n  \u003cli\u003eWeb-thinned tapered web reduces cutting resistance\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut with regular spiral flutes for consistent chip evacuation\u003c\/li\u003e\n  \u003cli\u003eBuilt to DIN 1897 specification for dimensional consistency\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank fits standard drill chucks and collets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-use stub-length drill bit for applications calling for a DIN 1897 screw machine drill in the 0.4000 to 0.4500 inch (11.00 to 13.50 mm) size range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by qualified machinists or tool room technicians. Power down and lock out the machine before changing tooling. Verify chuck or collet concentricity before seating the shank, and confirm the drill is fully engaged and secured before resuming operation. Do not exceed the rated maximum drilling depth of 1.2010 inches without retracting to clear chips.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.4331 inches (11.00 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.74 inches (95.00 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.85 inches (47.00 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 1.2010 inches (30.50 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: Four Facet, Split\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\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\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.4331 inches (11.00 mm)\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: Coated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 3xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: +0.000 to -0.027 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 5520\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 1897\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Length Type\u003c\/strong\u003e: Stub\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.121 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 3.74 x 3.74 x 0.51 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 9055200110000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51750247235890,"sku":"9055200110000","price":46.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/905a5006a23292a1fffffa23d3b1b98c_c802a5f4-019e-42ac-8ae8-5219c3990d97.jpg?v=1788914497","url":"https:\/\/voomisupply.com\/products\/guhring-9055200110000-drill-bit-0-4331-in-cobalt-stub","provider":"Voomi Supply","version":"1.0","type":"link"}