{"product_id":"accupro-311626-corner-radius-end-mill-1-2-in-5-flute","title":"Accupro 311626 Corner Radius End Mill 1\/2 in 5 Flute","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 311626 is a solid carbide corner radius end mill designed for high-performance milling in demanding machining applications. Built from micrograin solid carbide and coated with AlCrTiN for heat and wear resistance, this tool handles aggressive cuts in hardened steels, stainless alloys, and other difficult materials. It features a 0.5 inch mill diameter, a 1 inch length of cut, and a 0.090 inch corner radius that reduces stress concentration at the cutting edge. The 38-degree helix angle promotes smooth chip evacuation, while the variable index geometry helps suppress chatter during interrupted cuts. Machinists and CNC operators in production and job shop environments rely on this geometry for consistent surface finishes and extended tool life.\u003c\/p\u003e\u003cp\u003eThis end mill is suited for milling slots, pockets, contours, and profiling operations on CNC machining centers and manual mills. The centercutting design allows plunge entry without a pre-drilled starter hole, expanding its range of use in 3-axis and multi-axis setups. The single-end configuration and 3 inch overall length make it compatible with standard ER and hydraulic toolholders with a 1\/2 inch bore. It is applicable in aerospace, die and mold, automotive, and general metalworking industries where tight tolerances and edge integrity are required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMicrograin solid carbide substrate for rigidity and wear resistance\u003c\/li\u003e\n\u003cli\u003eAlCrTiN coating improves performance in high-heat, dry, and near-dry cutting conditions\u003c\/li\u003e\n\u003cli\u003e5-flute design increases feed rate capability compared to 4-flute equivalents\u003c\/li\u003e\n\u003cli\u003eVariable index flute spacing reduces harmonic vibration and chatter\u003c\/li\u003e\n\u003cli\u003e0.090 inch corner radius protects the cutting edge and improves part corner durability\u003c\/li\u003e\n\u003cli\u003eCentercutting geometry allows direct plunge entry\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use solid carbide corner radius end mill for 1\/2 inch bore toolholders used in CNC and conventional milling operations.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or CNC setup technician. Ensure the toolholder bore and collet are clean and free of chips before seating the shank. Apply the manufacturer-recommended torque specification for the toolholder type in use. Confirm runout with a dial indicator before beginning a production run, as excessive runout will accelerate edge wear and compromise surface finish.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.090 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 38 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: AlCrTiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Corner Radius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting 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\u003eVariable Index\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\u003eWeight\u003c\/strong\u003e: 0.06 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: 311626\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51750556500274,"sku":"311626","price":131.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ba8a73bc9d3dd3a55a13ddf83924cf7b.jpg?v=1788916645","url":"https:\/\/voomisupply.com\/products\/accupro-311626-corner-radius-end-mill-1-2-in-5-flute","provider":"Voomi Supply","version":"1.0","type":"link"}