{"product_id":"hertel-74130238-screw-machine-drill-bit-3-16-in-cobalt","title":"Hertel 74130238 Screw Machine Drill Bit 3\/16 in Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL 74130238 is a screw machine length drill bit designed for high-production drilling in metal, alloy, and hard-material applications. Built from cobalt high-speed steel (HSCO), the bit delivers improved heat and wear resistance compared to standard M2 HSS tooling. The 135-degree split point geometry reduces walking and thrust at entry, enabling faster starts without a center punch. At 2-3\/16 inches overall length and 3\/16 inch diameter, the stub-length body provides rigidity in drill press, CNC, and hand-held power tool setups. Machinists, tool-and-die workers, and maintenance mechanics are the primary users.\u003c\/p\u003e\u003cp\u003eScrew machine length bits are the standard choice when drilling through sheet metal, structural steel, stainless steel, cast iron, and other ferrous and non-ferrous materials that generate high cutting temperatures. The shortened flute and body length reduce deflection in tight-clearance fixtures and gang-drilling jigs. This bit is well suited to production shops, maintenance departments, and fabrication environments where tool life under high-cycle conditions matters.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCobalt HSS construction resists heat buildup in hard and abrasive materials\u003c\/li\u003e\n\u003cli\u003e135-degree split point reduces entry thrust and eliminates center-punch requirement\u003c\/li\u003e\n\u003cli\u003eWeb-thinned parallel web configuration lowers cutting resistance and improves chip evacuation\u003c\/li\u003e\n\u003cli\u003eRegular spiral flute promotes consistent chip flow during through-hole drilling\u003c\/li\u003e\n\u003cli\u003eStraight cylindrical shank fits standard drill chucks without adapters\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting direction compatible with all conventional drill presses and drivers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard screw machine length replacement bit for use in any drill press, CNC machining center, or hand-held drill accepting a straight cylindrical shank in the 3\/16 inch diameter class.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eA licensed machinist or qualified maintenance mechanic should verify spindle speed and feed rate for the workpiece material before drilling. Secure the workpiece firmly in a vise or fixture before starting the cut. Coolant is not required through the tool, but external cutting fluid is recommended when drilling stainless steel or hardened alloys to extend tool life. Inspect the shank seating in the chuck before each use to prevent runout.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 3\/16 inches (0.1875 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2-3\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1-1\/8 inches\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 (HSCO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Straw\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\u003eSpiral Type\u003c\/strong\u003e: Regular\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\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\u003eSeries\u003c\/strong\u003e: HSCO135\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.18 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241635\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: 74130238\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51727482061106,"sku":"74130238","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/51ca8a4a74fa22aec3bfadddfd3712bd.jpg?v=1788678391","url":"https:\/\/voomisupply.com\/products\/hertel-74130238-screw-machine-drill-bit-3-16-in-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}