{"product_id":"hertel-66693540-screw-machine-drill-bit-letter-q-hss-tin","title":"Hertel 66693540 Screw Machine Drill Bit Letter Q Hss Tin","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL 66693540 is a screw machine length drill bit designed for high-production drilling in metal fabrication, machining, and general metalworking applications. The bit is sized at Letter Q, equal to 0.3320 inches decimal, with a 135-degree split point that reduces walking and cutting pressure on entry. The titanium nitride (TiN) coating increases surface hardness and extends tool life compared to uncoated high-speed steel. At 3 inches overall length and a heavy-duty grade designation, this bit is built for use in drill presses, CNC machines, turret lathes, and screw machines where a stub-length tool is preferred for rigidity.\u003c\/p\u003e\u003cp\u003eThis drill bit is suited for shops and field machinists drilling ferrous and non-ferrous metals, plastics, and composite materials where a shorter, stiffer tool reduces deflection and improves hole accuracy. The straight-cylindrical shank fits standard drill chucks and collet holders without modification. The right-hand spiral flute and web-thinned geometry make it a practical choice for production drilling in both manual and automated setups. Licensed machinists, tool and die techs, and maintenance mechanics are the typical end users.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eLetter Q size (0.3320 inches) with 135-degree split point for reduced thrust and self-centering entry\u003c\/li\u003e\n\u003cli\u003eTiN coating improves wear resistance and reduces friction during cutting\u003c\/li\u003e\n\u003cli\u003eWeb-thinned, parallel web configuration lowers cutting force requirements\u003c\/li\u003e\n\u003cli\u003eScrew machine length (3 inches OAL) provides added rigidity over jobber-length bits\u003c\/li\u003e\n\u003cli\u003eHeavy-duty grade high-speed steel construction handles intermittent and continuous production drilling\u003c\/li\u003e\n\u003cli\u003eStraight-cylindrical shank fits standard drill chucks and collet toolholders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or production consumable for screw machine, drill press, turret lathe, and CNC drilling applications accepting a 0.3320-inch straight-cylindrical shank drill bit.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by machinists or maintenance mechanics familiar with metal cutting tool handling. Secure the shank fully in the chuck or collet before operation and verify runout before drilling production parts. Always power down and lock out the spindle before changing tooling. Follow applicable OSHA machine guarding requirements and shop safety protocols when operating drilling equipment.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Letter)\u003c\/strong\u003e: Q\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.3320 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1-11\/16 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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: 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\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.3320 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Parallel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Thinning\u003c\/strong\u003e: 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\u003eWeight\u003c\/strong\u003e: 0.12 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: 66693540\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51743229182258,"sku":"66693540","price":18.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/27d5f99f98650bd6268618e6f283a452.jpg?v=1788844227","url":"https:\/\/voomisupply.com\/products\/hertel-66693540-screw-machine-drill-bit-letter-q-hss-tin","provider":"Voomi Supply","version":"1.0","type":"link"}