{"product_id":"guhring-9055110079000-carbide-jobber-drill-bit-7-9mm","title":"Guhring 9055110079000 Carbide Jobber Drill Bit 7.9mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9055110079000 is a solid carbide jobber-length drill bit designed for high-performance drilling in demanding production environments. Built to DIN 6537L standards, it features a 140-degree split-point (SU) tip geometry that promotes self-centering on entry, reducing the need for a center punch or pilot hole. The FIREX coating provides enhanced heat and wear resistance, extending tool life in abrasive or hard materials. With a 7.9 mm diameter, 2-flute spiral configuration, and a 5xD flute-to-diameter ratio, this bit is engineered for consistent chip evacuation and dimensional accuracy. Coolant-through capability makes it suitable for deep-hole and high-speed CNC applications.\u003c\/p\u003e\u003cp\u003eThis drill bit is suited for machining cast iron and steel workpieces in industrial and production settings. The straight-cylindrical shank at 8.00 mm diameter fits standard toolholders and collet chucks. With a maximum drilling depth of 41.15 mm and a flute length of 53.00 mm, it covers a wide range of through-hole and blind-hole operations. It is intended for use by machinists and CNC operators working with automated or manual drill presses, machining centers, and lathes where tight tolerances and consistent results are required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide submicron-grade material for hardness and wear resistance in ferrous materials\u003c\/li\u003e\n\u003cli\u003eFIREX coating reduces friction and heat buildup during high-speed drilling\u003c\/li\u003e\n\u003cli\u003e140-degree SU point geometry enables self-centering without a pilot hole\u003c\/li\u003e\n\u003cli\u003eCoolant-through design supports high-feed and deep-hole drilling strategies\u003c\/li\u003e\n\u003cli\u003eWeb-thinned, tapered web construction improves chip flow and reduces thrust forces\u003c\/li\u003e\n\u003cli\u003eMeets DIN 6535 and DIN 6537 L standards for dimensional consistency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in cast iron and steel workpieces (material codes K and P) across the 7.00 mm to 8.00 mm diameter range, conforming to DIN 6537L specifications. Fits standard straight-cylindrical toolholders and collet systems accepting an 8.00 mm shank.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and operation should be performed by qualified machinists or CNC technicians familiar with carbide tooling. Power down and lock out the machine spindle before loading or changing the bit. Carbide tooling is brittle — avoid side-loading or using this bit in hammer or impact-mode applications. Confirm coolant-through lines are clear and pressure is set per machine specifications before initiating deep-hole cycles.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 7.9 mm (0.3110 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 140 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 91.00 mm (3.5827 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 53.00 mm (2.0866 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 41.15 mm (1.6200 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 8.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 36.00 mm\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\u003ePoint Type\u003c\/strong\u003e: SU (Self-Centering)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: FIREX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Solid Carbide, Submicron Grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes\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: 5xD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: 0.006 to 0.021 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Cast Iron, Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: DIN 6535, DIN 6537 L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 5511\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: 9055110079000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51747435905330,"sku":"9055110079000","price":259.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/05221ee3ce3b80244db5048b38866d2c_ea253b1f-1c07-40d4-ac49-c662e3782e79.jpg?v=1788880176","url":"https:\/\/voomisupply.com\/products\/guhring-9055110079000-carbide-jobber-drill-bit-7-9mm","provider":"Voomi Supply","version":"1.0","type":"link"}