{"product_id":"accupro-12182431-corner-radius-end-mill-3-16-in-4-flute","title":"Accupro 12182431 Corner Radius End Mill 3\/16 in 4 Flute","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 12182431 is a solid carbide corner radius end mill designed for precision milling operations in metalworking and machining applications. It measures 3\/16 inches in diameter with a 5\/8 inches length of cut and a 0.045 inches corner radius that helps reduce stress concentration at the cutting edge. The 2 inches overall length and 3\/16 inches shank diameter keep the tool compact for close-tolerance work. An AlTiN coating provides heat and wear resistance, extending tool life during high-speed cutting in ferrous and hard materials. This tool is installed and used by machinists and CNC operators working in job shops, tool rooms, and production environments.\u003c\/p\u003e\u003cp\u003eThis end mill is suited for slotting, profiling, and contouring passes in ferrous metals, stainless steels, and high-temperature alloys where a corner radius is required to improve edge strength and surface finish. The single-end, centercutting design allows plunge entry as well as conventional peripheral milling. Right-hand flute direction and right-hand cutting direction are standard for conventional CNC mill setups. The 40-degree helix angle promotes chip evacuation and reduces cutting forces during finish passes.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.045 inches corner radius reduces edge chipping and improves workpiece surface finish\u003c\/li\u003e\n\u003cli\u003eAlTiN coating provides oxidation resistance and extended tool life in dry and hard-material cutting\u003c\/li\u003e\n\u003cli\u003eSolid micrograin carbide substrate for rigidity and dimensional stability under load\u003c\/li\u003e\n\u003cli\u003eCentercutting design allows direct plunge milling without pre-drilled entry\u003c\/li\u003e\n\u003cli\u003e4 flutes with 40-degree helix angle for efficient chip evacuation and smooth cutting action\u003c\/li\u003e\n\u003cli\u003eSingle-end configuration with right-hand cut and right-hand spiral fluting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use corner radius end mill for standard 3\/16 inches collet or end mill holders on vertical machining centers, CNC mills, and manual knee mills.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by machinists using a compatible collet chuck or end mill holder sized for a 3\/16 inches shank. Confirm shank runout is within machine and holder tolerances before engaging a cut. Always power down and lock out the spindle before changing tooling. Follow shop-standard speeds and feeds for AlTiN-coated carbide end mills appropriate to the workpiece material.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 3\/16 inches (0.1875 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 5\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 3\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.045 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 40 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: Solid Carbide (Micrograin)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: AlTiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Corner Radius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Double End\u003c\/strong\u003e: Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius Tolerance\u003c\/strong\u003e: 0.0015 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0.000000 to -0.002500 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter Tolerance\u003c\/strong\u003e: -0.0001 to -0.0004 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.03 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: ACCUPRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 12182431\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51728131359026,"sku":"12182431","price":40.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c150952258dc59fd80124e30dac0df2c.jpg?v=1788688509","url":"https:\/\/voomisupply.com\/products\/accupro-12182431-corner-radius-end-mill-3-16-in-4-flute","provider":"Voomi Supply","version":"1.0","type":"link"}