{"product_id":"guhring-9085100071400-drill-bit-letter-k-solid-carbide","title":"Guhring 9085100071400 Drill Bit Letter K Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe GUHRING 9085100071400 is a solid carbide screw machine length drill bit sized at letter K (0.2812 inches \/ 9\/32 inch). It features a 140-degree facet point and GUHRING nano-A multi-layer coating designed for high-performance drilling in demanding materials. The bit has a right-hand cutting direction, a regular spiral flute configuration, and a straight cylindrical shank. With an overall length of 79.00 mm (3.1102 inches) and a flute length of 41.00 mm, it is built for precision work in tight tool-length applications. Coolant-through capability supports heat management during aggressive cuts. This bit is installed by machinists and toolroom professionals in CNC and manual drilling operations.\u003c\/p\u003e\u003cp\u003eThis drill bit is intended for use in stainless steel and high-temperature alloy applications where tool life and dimensional accuracy are critical. The screw machine length (shorter stub format) provides added rigidity compared to jobber-length bits, making it well suited for close-tolerance drilling on lathes, machining centers, and drill presses. It is rated as a high-performance grade tool conforming to DIN 6537 K standards.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction with nano-A multi-layer coating for extended tool life in hard and abrasive materials\u003c\/li\u003e\n\u003cli\u003e140-degree facet point angle reduces thrust and improves self-centering on difficult workpieces\u003c\/li\u003e\n\u003cli\u003eCoolant-through design channels coolant directly to the cutting edge for heat control and chip evacuation\u003c\/li\u003e\n\u003cli\u003eWeb-thinned geometry reduces cutting resistance and entry force\u003c\/li\u003e\n\u003cli\u003eStraight cylindrical shank (8.00 mm diameter) compatible with standard drill chucks and collets\u003c\/li\u003e\n\u003cli\u003eConforms to DIN 6537 K specification; material grade K40 carbide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a high-performance OEM-style tooling solution for CNC machining centers, drill presses, and lathes requiring a screw machine length drill bit in letter K (0.2812 inch) diameter, particularly in stainless steel and high-temperature alloy applications per DIN 6537 K.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist following standard tooling setup procedures. Ensure the machine spindle is fully powered down and locked out before changing tooling. Confirm the shank is fully seated and properly clamped in the chuck or collet to the tool manufacturer's holding depth recommendation. Coolant-through setups require that the coolant supply line pressure and flow rate be matched to the machine spindle before initiating the cut.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Letter)\u003c\/strong\u003e: K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.2812 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Fractional)\u003c\/strong\u003e: 9\/32 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 140 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide (K40 grade)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: nano-A Multi-layer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 79.00 mm (3.1102 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 41.00 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 30.29 mm (1.1930 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 8.00 mm (0.3150 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 38.00 mm (1.4961 inches)\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\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\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Facet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes\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 Length Type\u003c\/strong\u003e: Screw Machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Stainless Steel, High-Temperature Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: DIN 6537 K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 8510\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter Tolerance\u003c\/strong\u003e: m7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04 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: 9085100071400\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51741947691314,"sku":"9085100071400","price":253.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1a78622b57f0f1499a9217c3786e1f66_db9dcd58-5c5b-4748-83c3-d84f058fa3ce.jpg?v=1788834504","url":"https:\/\/voomisupply.com\/products\/guhring-9085100071400-drill-bit-letter-k-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}