{"product_id":"hertel-66692104-cobalt-screw-machine-drill-bit-size-34","title":"Hertel 66692104 Cobalt Screw Machine Drill Bit Size 34","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL 66692104 is a wire gauge Size 34 cobalt screw machine length drill bit designed for high-speed, close-tolerance drilling in metalworking applications. Built from cobalt high-speed steel and finished with a titanium nitride (TiN) coating, it delivers extended tool life when cutting through hard and abrasive materials. The split-point, web-thinned tip at 135 degrees reduces walking and enables reliable starts without a center punch. At 1-7\/8 inches overall length, the stub-length body provides added rigidity compared to jobber-length bits, making it well suited to drill press, CNC, and hand-held power tool use by machinists, tool-and-die workers, and maintenance technicians.\u003c\/p\u003e\u003cp\u003eThis bit is used in production and job-shop environments where tight hole tolerances and reduced cycle times matter. The 0.1110 inch decimal diameter corresponds to wire gauge Number 34, common in tapping undersized pilot holes and clearance drilling in steel, stainless steel, cast iron, and high-strength alloys. The short flute length of 7\/8 inch limits deflection and improves chip evacuation in shallow-depth applications. The straight cylindrical shank at 0.1110 inch diameter seats directly in standard drill chucks without adapters.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCobalt high-speed steel construction for heat resistance in hard-material drilling\u003c\/li\u003e\n\u003cli\u003eTiN coating extends cutting edge life and reduces friction\u003c\/li\u003e\n\u003cli\u003e135-degree split point with web thinning reduces thrust and eliminates center-punch requirement\u003c\/li\u003e\n\u003cli\u003eScrew machine (stub) length body increases rigidity and reduces deflection\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting, regular spiral flute, straight cylindrical shank\u003c\/li\u003e\n\u003cli\u003eHeavy-duty grade rated for production drilling environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style screw machine length drill bit in the HSCO135-TN series, suitable for use in standard drill chucks accepting a 0.1110 inch straight shank across drill presses, CNC machining centers, and hand-held power tools.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis bit is installed and replaced by machinists and maintenance technicians. Secure the straight shank firmly in a drill chuck rated for the intended spindle speed before operation. Always power down and de-energize the machine before changing bits. Do not exceed the recommended surface footage for cobalt tooling in the workpiece material, and use appropriate cutting fluid to maximize tool life and hole quality.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire Gauge)\u003c\/strong\u003e: 34\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.1110 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1-7\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 7\/8 inches (0.8750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.1110 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Split Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Cobalt High-Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiN (Titanium Nitride)\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\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Parallel, Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Grade\u003c\/strong\u003e: Heavy Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: HSCO135-TN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 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: HERTEL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 66692104\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51742385340722,"sku":"66692104","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/67aa4a896def2b49320dd515b917704c.jpg?v=1788837119","url":"https:\/\/voomisupply.com\/products\/hertel-66692104-cobalt-screw-machine-drill-bit-size-34","provider":"Voomi Supply","version":"1.0","type":"link"}