{"product_id":"guhring-9007300080300-carbide-stub-drill-bit-0-3161in","title":"Guhring 9007300080300 Carbide Stub Drill Bit 0.3161in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9007300080300 is a solid micrograin carbide stub-length (screw machine length) drill bit sized at 0.3161 inches (Letter O) in diameter with a 118-degree faceted point angle. Built to DIN 6539 standards, it features a web-thinned tip and a regular spiral flute configuration for consistent chip evacuation. The straight-cylindrical shank measures 0.3161 inches in diameter, making it compatible with standard drill chucks and collet holders. Designed as a general-purpose cutting tool, this bit is suited for metalworking operations with a primary focus on aluminum and similar non-ferrous workpiece materials. Licensed machinists and toolroom technicians are the typical end users.\u003c\/p\u003e\u003cp\u003eThis drill bit is intended for screw machine, CNC machining center, and manual drill press applications where a compact stub-length tool is required for rigidity and reduced runout. The 3xD flute-to-diameter ratio and 37.00 mm flute length support shallow-to-medium hole depths up to 0.9830 inches. Its bright uncoated finish makes it straightforward to inspect for wear. General-purpose performance suits production environments processing aluminum, soft metals, and plastics where high-speed steel tooling is not preferred.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid micrograin carbide construction for wear resistance in non-ferrous and general-purpose cutting\u003c\/li\u003e\n\u003cli\u003e118-degree faceted point with web thinning for reduced thrust and improved centering\u003c\/li\u003e\n\u003cli\u003eStub-length (screw machine) body at 3.1102 inches overall for maximum rigidity\u003c\/li\u003e\n\u003cli\u003eRight-hand cut, regular spiral flute with 2-flute geometry for efficient chip clearing\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank at 0.3161 inches diameter fits standard chucks and collets\u003c\/li\u003e\n\u003cli\u003eManufactured to DIN 6539 with h8 diameter tolerance for consistent fit and interchangeability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style general-purpose stub-length carbide drill bit per DIN 6539 specification, suitable for use in standard drill chucks, ER collet systems, and screw machine spindles accepting a 0.3161-inch straight-cylindrical shank.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and tool changes must be performed with the machine in a full-stop, locked-out, and de-energized state per applicable machine tool safety procedures. Secure the shank fully within the chuck or collet to the recommended engagement depth before operation. Solid carbide tooling is brittle — avoid side loading, interrupted cuts without proper feed rate adjustment, or dropping the tool on hard surfaces. Coolant-through is not supported on this bit; apply external coolant or cutting fluid as required by the workpiece material and shop practice.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 0.3161 inches (Letter O)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.1102 inches (79.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.457 inches (37.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 0.9830 inches (24.96 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.3161 inches (8.03 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.6535 inches (42.00 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\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Regular Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Micrograin Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\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\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 3xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: h8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 730\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 6539\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.05 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: 9007300080300\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51754831905074,"sku":"9007300080300","price":98.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e1921a5ddc478e7ad7240d9f7bd1ef7a_34106add-b996-4b5c-808e-f7f30ba27d7e.jpg?v=1788948995","url":"https:\/\/voomisupply.com\/products\/guhring-9007300080300-carbide-stub-drill-bit-0-3161in","provider":"Voomi Supply","version":"1.0","type":"link"}