{"product_id":"cleveland-c16567-drill-bit-letter-e-1-4-in-135-cobalt","title":"Cleveland C16567 Drill Bit Letter E 1\/4 in 135 Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe CLEVELAND C16567 is a jobber-length twist drill bit designed for heavy-duty metal drilling applications. Built from M42 cobalt high-speed steel with a gold oxide coating, this bit delivers extended tool life when cutting hard and abrasive materials. The 135-degree split point starts on contact without center-punching and reduces thrust. A parabolic flute geometry clears chips efficiently, reducing heat buildup during deep drilling. The straight-cylindrical shank measures 1\/4 inch in diameter, compatible with standard drill chucks and quick-change systems. This is a right-hand-cut bit with a web-thinned, tapered web for improved cutting performance in production and maintenance environments.\u003c\/p\u003e\u003cp\u003eThe C16567 is suited for drilling cast iron, stainless steel, carbon steel, and non-ferrous metals in fabrication shops, maintenance facilities, and field service settings. The cobalt M42 material grade makes it a reliable choice when carbon steel bits fail prematurely due to work hardening or elevated cutting temperatures. The 4-inch overall length and 2-3\/4-inch flute length accommodate typical stock thicknesses encountered in structural and sheet metal work.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eM42 cobalt steel construction for extended life in hard and abrasive materials\u003c\/li\u003e\n\u003cli\u003e135-degree split point for no-skate starts and reduced feed pressure\u003c\/li\u003e\n\u003cli\u003eParabolic flute profile for fast chip evacuation and reduced heat\u003c\/li\u003e\n\u003cli\u003eGold oxide finish reduces friction at the cutting edge\u003c\/li\u003e\n\u003cli\u003eWeb-thinned tapered web improves cutting efficiency\u003c\/li\u003e\n\u003cli\u003eMeets ASME B94.11M and DIN 338 standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in standard 1\/4-inch keyed or keyless drill chucks. Suitable for drilling cast iron, non-ferrous metals, stainless steel, and carbon steel workpieces. Part of the CLEVELAND Series 2075 heavy-duty jobber drill line.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by a qualified machinist or maintenance technician familiar with metal drilling operations. Secure the workpiece firmly before drilling and verify chuck runout before use. Always wear appropriate eye protection and follow applicable shop safety procedures. Do not exceed the recommended feed and speed range for the workpiece material to avoid premature edge wear or bit failure.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 2075\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Material\u003c\/strong\u003e: Cobalt (M42)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: M42\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 (Letter)\u003c\/strong\u003e: E\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size\u003c\/strong\u003e: 1\/4 inches (0.2500 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\u003eFlute Type\u003c\/strong\u003e: Parabolic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4 inches\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: 1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\/Coating\u003c\/strong\u003e: Gold Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\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\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Cast Iron, Non-Ferrous Metal, Stainless Steel, Steel\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: 0.5 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: CLEVELAND\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C16567\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CLEVELAND CONTROLS","offers":[{"title":"Default Title","offer_id":51693620232498,"sku":"C16567","price":26.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/bb05bf055868db838509acdcbc581f0a.jpg?v=1788315038","url":"https:\/\/voomisupply.com\/products\/cleveland-c16567-drill-bit-letter-e-1-4-in-135-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}