{"product_id":"milwaukee-48-89-2529-cobalt-jobber-drill-bit-5-9-in","title":"Milwaukee 48-89-2529 Cobalt Jobber Drill Bit 5.9 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MILWAUKEE 48-89-2529 is a cobalt jobber-length twist drill bit engineered for drilling hard metals including stainless steel, cast iron, and high-strength alloys. It features a variable helix geometry that transitions from a 35-degree cutting angle to a 15-degree angle at the shank, promoting rapid chip evacuation and reducing heat buildup during extended drilling cycles. The 135-degree split point tip provides a self-starting cut, eliminating the need for a center punch and preventing the bit from walking on contact. Intended for use by machinists, ironworkers, pipefitters, and general trade professionals working in metal fabrication and field applications.\u003c\/p\u003e\u003cp\u003eThis bit is suited for hard metal applications in both shop and field environments, including drilling stainless steel, tool steel, and other ferrous materials that cause premature wear in standard high-speed steel or black oxide bits. The jobber length format is compatible with standard 3-jaw drill chucks on corded and cordless drills as well as drill presses. The metric sizing designation makes it appropriate for metric hole specifications common in industrial and OEM fabrication work. It is sold individually as a single bit.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eVariable helix geometry transitions from 35 degrees to 15 degrees for rapid chip removal and reduced heat buildup\u003c\/li\u003e\n\u003cli\u003e135-degree split point tip starts on contact without walking, no center punch required\u003c\/li\u003e\n\u003cli\u003eCobalt construction rated for up to 10 times longer life compared to black oxide drill bits in hard metal applications\u003c\/li\u003e\n\u003cli\u003eChip breaker geometry reduces heat concentration during high-cycle drilling\u003c\/li\u003e\n\u003cli\u003eSecure grip shank reduces slipping in standard drill chucks\u003c\/li\u003e\n\u003cli\u003eMetric sizing for applications requiring metric hole tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in standard 3-jaw drill chucks on corded drills, cordless drills, and drill presses; suitable for all general twist drilling applications with primary use in hard metal materials.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstall and remove drill bits only with the drill power disconnected or the tool switched off and the chuck fully stopped. Use appropriate cutting fluid or lubricant when drilling hard metals to extend bit life and maintain dimensional accuracy. Secure workpieces firmly before drilling to prevent movement. Inspect the bit for chipping or dulling before each use; a damaged split point will cause inaccurate starts and increased heat.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 5.9 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 7.7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 1.85 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.24 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Angle\u003c\/strong\u003e: 135 degrees split point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle Range\u003c\/strong\u003e: 15 to 35 degrees variable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizing Standard\u003c\/strong\u003e: Metric\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: 045242519590\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: 48-89-2529\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE","offers":[{"title":"Default Title","offer_id":51346531254578,"sku":"48-89-2529","price":32.83,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310512813.jpg?v=1782082911","url":"https:\/\/voomisupply.com\/products\/milwaukee-48-89-2529-cobalt-jobber-drill-bit-5-9-in","provider":"Voomi Supply","version":"1.0","type":"link"}