{"product_id":"hertel-66691858-cobalt-screw-machine-drill-bit-size-9","title":"Hertel 66691858 Cobalt Screw Machine Drill Bit Size 9","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL 66691858 is a cobalt screw machine length drill bit designed for high-performance drilling in tough materials. Built to a wire gauge size of 9 (0.1960 inches decimal), it features a 135-degree split point that reduces walking and requires no center punch on most surfaces. The TiN (titanium nitride) coating extends tool life by reducing friction and heat buildup at the cutting edge. At 2.25 inches overall length with a 1.1875-inch flute, this stub-length geometry provides rigidity in short-reach drilling applications. It is suited for machinists, millwrights, and maintenance professionals working in production or field environments.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is used in screw machine and general-purpose drilling operations where a shorter, stiffer bit is preferred over jobber-length tooling. The straight-cylindrical shank fits standard drill chucks without adapters, making it compatible with handheld drills, drill presses, and screw machines. Regular spiral fluting provides efficient chip evacuation in ferrous metals, stainless steel, heat-treated alloys, and other hard materials where high-speed steel tooling would wear prematurely. The heavy-duty grade designation indicates it is built for demanding, repetitive cutting cycles.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCobalt construction with TiN coating for extended tool life in hard and abrasive materials\u003c\/li\u003e\n  \u003cli\u003e135-degree split point reduces thrust force and eliminates walking on entry\u003c\/li\u003e\n  \u003cli\u003eWeb-thinned, parallel web configuration improves cutting efficiency and chip flow\u003c\/li\u003e\n  \u003cli\u003eScrew machine (stub) length provides added rigidity over standard jobber-length bits\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank fits standard 3-jaw drill chucks with no adapter required\u003c\/li\u003e\n  \u003cli\u003eRight-hand cutting, regular spiral flute for efficient chip evacuation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-fit replacement or production-use drill bit for any standard drill chuck accepting a 0.1960-inch straight-cylindrical shank, within the wire gauge size range of 0.1500 to 0.2000 inches decimal.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis bit is installed and used by machinists, maintenance technicians, and industrial tradespeople operating drill presses, CNC screw machines, or handheld power drills. Secure the straight shank fully in the chuck and verify chuck key tightness before operation. Coolant-through is not supported on this bit, so external cutting fluid or oil should be applied when drilling ferrous or hardened materials to manage heat. Inspect the cutting edges for wear or chipping before each use and replace when point geometry is degraded to maintain hole quality and dimensional accuracy.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: 9\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.1960 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Cobalt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiN (Titanium Nitride)\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\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Parallel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.1960 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.1875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Grade\u003c\/strong\u003e: Heavy Duty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size Range\u003c\/strong\u003e: 0.1500 to 0.2000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: 66691858\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51739336573234,"sku":"66691858","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/567287b10265d61e0ca906eb1a6680d5.jpg?v=1788813292","url":"https:\/\/voomisupply.com\/products\/hertel-66691858-cobalt-screw-machine-drill-bit-size-9","provider":"Voomi Supply","version":"1.0","type":"link"}