{"product_id":"milwaukee-48-89-2507-cobalt-jobber-drill-bit-2-8-inch","title":"Milwaukee 48-89-2507 Cobalt Jobber Drill Bit 2.8 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MILWAUKEE 48-89-2507 is a cobalt jobber-length drill bit engineered for hard metal applications where standard high-speed steel bits fail prematurely. Built with a variable helix geometry that transitions from a 35-degree angle down to 15 degrees, the bit promotes rapid chip evacuation and limits heat buildup at the cutting zone. The 135-degree split point tip starts on contact without walking, reducing layout time and improving hole accuracy. This bit is sold individually and is sized to metric dimensions, making it a direct fit for metric-specification work. Installers and machinists working in stainless steel, hardened steel, cast iron, and similar hard materials will find this bit suited for production or field use.\u003c\/p\u003e\u003cp\u003eThe 48-89-2507 is intended for jobber-length twist drilling in ferrous metals, structural steel, and other hard materials encountered in mechanical, fabrication, HVAC, and industrial service environments. The metric sizing makes it a practical choice when working to metric-specification tolerances. A chip breaker geometry reduces friction heat, extending usable bit life compared to standard black oxide twist bits. The shank includes a secure grip feature designed to resist slipping in standard drill chucks during high-torque applications.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eVariable helix design: 35-degree angle transitions to 15 degrees for rapid chip removal and reduced heat\u003c\/li\u003e\n\u003cli\u003e135-degree split point tip starts on contact and prevents walking\u003c\/li\u003e\n\u003cli\u003eCobalt construction provides extended life in hard metal and ferrous applications\u003c\/li\u003e\n\u003cli\u003eChip breaker geometry limits heat buildup to maintain edge sharpness over longer service life\u003c\/li\u003e\n\u003cli\u003eSecure grip shank resists slipping in standard drill chucks under high-torque conditions\u003c\/li\u003e\n\u003cli\u003eMetric sizing for metric-specification drilling applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in standard keyed and keyless drill chucks in corded or cordless drill drivers and drill presses for jobber-length twist drilling in hard metals and ferrous materials.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis bit is installed and used by mechanical trades, fabricators, and HVAC technicians working in hard metal substrates. Secure the bit fully in the chuck before operation and confirm chuck tightness to prevent slippage under load. Use cutting fluid or a suitable lubricant when drilling stainless steel or hardened steel to further reduce heat and extend bit life. Ensure the workpiece is clamped securely before drilling to prevent movement.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBit Length\u003c\/strong\u003e: 2.8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle (Start)\u003c\/strong\u003e: 35 degrees transitioning to 15 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplit Point Angle\u003c\/strong\u003e: 135 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizing Standard\u003c\/strong\u003e: Metric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 5.7 inches x 1.9 inches x 0.1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.03 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 045242519378\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: MILWAUKEE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 48-89-2507\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE","offers":[{"title":"Default Title","offer_id":51346246336818,"sku":"48-89-2507","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310512653.jpg?v=1782075039","url":"https:\/\/voomisupply.com\/products\/milwaukee-48-89-2507-cobalt-jobber-drill-bit-2-8-inch","provider":"Voomi Supply","version":"1.0","type":"link"}