{"product_id":"cleveland-c16633-jobber-drill-bit-size-21-cobalt-135deg","title":"Cleveland C16633 Jobber Drill Bit Size 21 Cobalt 135deg","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CLEVELAND C16633 is a jobber-length twist drill bit designed for demanding metal drilling applications. Built from M42 cobalt high-speed steel and finished with a titanium nitride (TiN) coating, it delivers extended tool life and improved heat resistance compared to standard HSS bits. The 135-degree split point starts on contact without center-punching and reduces walking on hard or uneven surfaces. A parabolic flute geometry improves chip evacuation in deep-hole drilling. The overall length is 3.5 inches with a straight-cylindrical shank at 0.159 inches in diameter. This bit is installed by machinists, tool-and-die trades, pipefitters, and HVAC-plumbing fabricators working with stainless, hardened steel, and other tough alloys.\u003c\/p\u003e\n\u003cp\u003eThe C16633 cuts a 0.159-inch diameter hole, corresponding to wire gauge size 21. The parabolic flute and web-thinned, tapered web construction reduce thrust and make this bit well suited for production drilling in ferrous metals, stainless steel, and high-nickel alloys where standard cobalt bits tend to overheat or wear prematurely. It is packaged as a single unit and is a common choice for maintenance shops, fabrication floors, and field service technicians who need a reliable heavy-duty bit without buying a full set.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eM42 cobalt steel construction for heavy-duty drilling in hard and abrasive metals\u003c\/li\u003e\n  \u003cli\u003eTitanium nitride (TiN) coating extends tool life and reduces friction heat\u003c\/li\u003e\n  \u003cli\u003e135-degree split point for self-centering start and reduced drill walking\u003c\/li\u003e\n  \u003cli\u003eParabolic flute geometry for efficient chip evacuation in deep holes\u003c\/li\u003e\n  \u003cli\u003eWeb-thinned, tapered web reduces cutting thrust\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank compatible with standard drill chucks\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B94.11M and DIN 338 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-procurement jobber drill bit for standard three-jaw drill chucks accepting a 0.159-inch straight-cylindrical shank, consistent with Series 2075T heavy-duty cobalt jobber-length bits.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eSecure the straight-cylindrical shank firmly in a keyed or keyless drill chuck before operation, and verify chuck runout is within acceptable tolerance to protect bit geometry. Power down and de-energize the drill press or hand drill before changing bits. Use appropriate cutting fluid when drilling stainless steel or high-nickel alloys to manage heat buildup. Follow applicable shop safety standards and wear eye protection during all drilling operations.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 2075T\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire Gauge)\u003c\/strong\u003e: 21\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.1590 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: M42 Cobalt High-Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish \/ Coating\u003c\/strong\u003e: Titanium Nitride (TiN)\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\u003eFlute Type\u003c\/strong\u003e: Parabolic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2.313 inches (58.74 mm)\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: 0.1590 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.130 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: -0.0007 to 0.0000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Heavy Duty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ASME B94.11M, DIN 338\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecification Designation\u003c\/strong\u003e: ANSI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.2 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: CLEVELAND\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C16633\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CLEVELAND CONTROLS","offers":[{"title":"Default Title","offer_id":51693144736050,"sku":"C16633","price":23.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/72ec45573fd3d9ebc084e87d2026b024_ae9c2bf4-ca84-4228-b97f-63134b5b13d6.jpg?v=1788307921","url":"https:\/\/voomisupply.com\/products\/cleveland-c16633-jobber-drill-bit-size-21-cobalt-135deg","provider":"Voomi Supply","version":"1.0","type":"link"}