{"product_id":"eagle-cutting-tool-c300-020-d-cobalt-jobber-5-16-inch","title":"Eagle Cutting Tool C300-020-D Cobalt Jobber 5\/16 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe EAGLE CUTTING TOOL C300-020-D is a 5\/16-inch cobalt jobber-length drill bit manufactured in the USA. Cobalt construction provides superior heat resistance and hardness compared to standard high-speed steel, making this bit well-suited for drilling through tough materials such as stainless steel, cast iron, hardened alloys, and other hard metals. The jobber-length geometry offers a balanced combination of reach and rigidity, which is the standard configuration used by trade professionals across mechanical, electrical, and plumbing work for general-purpose hole-making tasks.\u003c\/p\u003e\u003cp\u003eThis drill bit is intended for use in residential and commercial trade applications where hard or abrasive materials are encountered. It is commonly used by electricians drilling through metal studs or enclosures, plumbers boring through metal pipe supports or brackets, and HVAC technicians drilling into sheet metal or equipment housings. The 5\/16-inch diameter is a frequently used size for bolt clearance holes, conduit anchors, and similar fastening applications.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCobalt construction for enhanced heat and wear resistance in hard-metal drilling\u003c\/li\u003e\n\u003cli\u003e5\/16-inch diameter in standard jobber length for versatile reach and stability\u003c\/li\u003e\n\u003cli\u003eUSA manufactured\u003c\/li\u003e\n\u003cli\u003eSuitable for stainless steel, cast iron, hardened alloys, and similar materials\u003c\/li\u003e\n\u003cli\u003eCompatible with standard drill chucks and drill presses used in trade work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard 5\/16-inch jobber-length drill bit compatible with any drill press or handheld drill accepting a 5\/16-inch or larger keyed or keyless chuck.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eCobalt drill bits should be used with appropriate cutting fluid or lubricant when drilling hard metals to extend bit life and maintain hole quality. Always secure the workpiece before drilling and wear appropriate eye protection. Use the lowest effective RPM for hard or thick materials to prevent overheating. This bit should be installed and operated by qualified trade professionals following applicable workplace safety standards.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Diameter\u003c\/strong\u003e: 5\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Type\u003c\/strong\u003e: Jobber Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cobalt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.2 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: EAGLE CUTTING TOOL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C300-020-D\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EAGLE CUTTING TOOL","offers":[{"title":"Default Title","offer_id":51233202864434,"sku":"C300-020-D","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307620633.png?v=1780094023","url":"https:\/\/voomisupply.com\/products\/eagle-cutting-tool-c300-020-d-cobalt-jobber-5-16-inch","provider":"Voomi Supply","version":"1.0","type":"link"}