{"product_id":"cleveland-c70186-cobalt-jobber-drill-bit-wire-size-53","title":"Cleveland C70186 Cobalt Jobber Drill Bit Wire Size 53","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CLEVELAND C70186 is a cobalt M42 jobber-length drill bit sized to wire gauge number 53, with a decimal diameter of 0.0595 inches. It features a 135-degree split point and a spiral flute with web-thinning for reduced thrust on entry. The gold oxide coating improves surface hardness and heat resistance during high-speed drilling. At 1-7\/8 inches overall length with a 7\/8-inch flute length, this bit is built for precision work in tight-clearance drilling applications. A licensed machinist, maintenance technician, or production drill press operator would typically select this size for small-diameter through-hole work.\u003c\/p\u003e\n\u003cp\u003eThis bit is suited for drilling aluminum and other non-ferrous metals where dimensional accuracy and clean hole entry are critical. The straight cylindrical shank seats securely in standard drill chucks and collet systems used across CNC drill presses, hand drills, and benchtop drilling equipment. The two-flute spiral design evacuates chips efficiently in short-depth hole applications common in light manufacturing, HVAC component fabrication, and sheet-metal work. It meets NAS 907 Type J specification, making it appropriate for aerospace and defense maintenance environments where material certifications are required.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCobalt M42 material grade for heat resistance and extended tool life in abrasive materials\u003c\/li\u003e\n  \u003cli\u003e135-degree split point with web-thinning reduces walking and lowers feed force at drill entry\u003c\/li\u003e\n  \u003cli\u003eGold oxide coating provides surface lubricity and mild thermal protection\u003c\/li\u003e\n  \u003cli\u003eTapered web configuration with regular spiral maintains rigidity at small diameters\u003c\/li\u003e\n  \u003cli\u003eMeets NAS 907 Type J standard for controlled dimensional tolerances\u003c\/li\u003e\n  \u003cli\u003eDiameter tolerance of -0.0005 to 0.0000 inches ensures consistent hole sizing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-compatible replacement or standard stock bit for applications requiring a wire gauge number 53 drill in cobalt construction, compatible with any standard straight-shank drill chuck or collet accepting a 0.0595-inch shank diameter.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis bit is installed by machinists and maintenance technicians using standard drill chucks or collet holders on benchtop, floor, or CNC drilling equipment. Ensure the machine is powered down and the chuck is fully tightened before operation. Use appropriate cutting fluid or mist coolant when drilling metals to extend bit life. Do not exceed recommended spindle speeds for the workpiece material and bit diameter.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire Gauge)\u003c\/strong\u003e: 53\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (Decimal Inch)\u003c\/strong\u003e: 0.0595 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Cobalt M42\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: Spiral, Regular\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 7\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1-7\/8 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: 0.0595 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.0000 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\u003ePrimary Workpiece Material\u003c\/strong\u003e: Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Grade\u003c\/strong\u003e: Heavy Duty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: -0.0005 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\u003eStandard\u003c\/strong\u003e: NAS 907 Type J\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 2213\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: CLEVELAND\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C70186\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CLEVELAND CONTROLS","offers":[{"title":"Default Title","offer_id":51719534739762,"sku":"C70186","price":49.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/68e71fac92ed610a068aecfe4d190284_087d7c12-dd70-4715-8dc9-7a2abed9a5ec.jpg?v=1788559966","url":"https:\/\/voomisupply.com\/products\/cleveland-c70186-cobalt-jobber-drill-bit-wire-size-53","provider":"Voomi Supply","version":"1.0","type":"link"}