{"product_id":"accupro-12179632-corner-radius-end-mill-5-16-in-3-flute-carbide","title":"Accupro 12179632 Corner Radius End Mill 5\/16 in 3 Flute Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 12179632 is a solid carbide corner radius end mill designed for precision milling operations in metalworking and machining environments. With a 5\/16 inch cutting diameter and a 0.045 inch corner radius, this tool produces smooth, radiused transitions at the base of milled features, reducing stress concentrations and improving surface finish. The 3-flute geometry paired with a 30-degree helix angle promotes efficient chip evacuation and balanced cutting forces. A ZrN (zirconium nitride) coating extends tool life by adding wear resistance and reducing friction at the cutting edge. This end mill is installed and operated by machinists and CNC tooling professionals.\u003c\/p\u003e\u003cp\u003eThis tool is suited for light to medium milling applications including profiling, slotting, and contouring in materials such as aluminum, non-ferrous alloys, and certain steels. The centercutting design allows it to plunge directly into a workpiece, expanding its range of use in production and job-shop machining environments. The regular length configuration makes it appropriate for standard reach applications where rigidity is preferred over extended projection.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.045 inch corner radius reduces edge chipping and improves part surface finish at floor transitions\u003c\/li\u003e\n\u003cli\u003e3-flute design balances chip clearance with cutting stability\u003c\/li\u003e\n\u003cli\u003e30-degree helix angle promotes smooth cutting action and efficient chip flow\u003c\/li\u003e\n\u003cli\u003eZrN coating adds wear resistance and extends tool life in abrasive materials\u003c\/li\u003e\n\u003cli\u003eCentercutting capability allows direct plunge entry without a pre-drilled hole\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction provides rigidity and dimensional accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard-shank replacement corner radius end mill for use in CNC machining centers, knee mills, and manual milling machines accepting a 5\/16 inch collet or end mill holder.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a qualified machinist or CNC operator. Secure the 5\/16 inch shank in a properly sized collet or end mill holder, ensuring adequate clamping depth and runout within machine tolerances. Confirm spindle speed and feed rate settings are appropriate for the workpiece material before engaging the cut. Inspect the cutting edges and coating condition before each use and remove the tool from service if chipping or coating wear is observed.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e: 5\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut (LOC)\u003c\/strong\u003e: 3\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e: 2-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 5\/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\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 30 degrees\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\u003ePitch\u003c\/strong\u003e: Coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Reach\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: ZrN (Zirconium Nitride)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 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: 12179632\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51729174921522,"sku":"12179632","price":76.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/49b6a8ef78fa94c5b0129cd133409dfe.jpg?v=1788701406","url":"https:\/\/voomisupply.com\/products\/accupro-12179632-corner-radius-end-mill-5-16-in-3-flute-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}