{"product_id":"accupro-315546-corner-radius-end-mill-1-2-in-3-flute-zrn","title":"Accupro 315546 Corner Radius End Mill 1\/2 in 3 Flute Zrn","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ACCUPRO 315546 is a solid carbide corner radius end mill designed for precision milling of ferrous and non-ferrous materials. Ground from micrograin carbide stock, it carries a ZrN (zirconium nitride) coating that reduces friction and extends tool life in demanding cut cycles. The 1\/2 inch mill diameter pairs with a 3-flute, right-hand spiral geometry and a 37-degree helix angle for efficient chip evacuation. Corner radius measures 0.1200 inches, producing a controlled blend radius on inside corners and floor edges. This is a single-end, centercutting tool suitable for plunge, slot, and peripheral milling operations. Machinists and tool-and-die professionals are the primary users.\u003c\/p\u003e\n\u003cp\u003eThe 315546 fits CNC machining centers and manual mills accepting a 1\/2 inch shank. The extended reach design, with a 2-3\/8 inch reach length and a reduced neck diameter of 0.4750 inches, allows access to deep pockets and tall workpiece features without interference. The 5\/8 inch length of cut handles moderate axial depth passes while the 4 inch overall length accommodates setups requiring clearance above the workpiece or fixture. Typical applications include mold and die work, aerospace structural components, and general precision part machining where a blend radius is required at floor-to-wall intersections.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMicrograin solid carbide construction for rigidity and wear resistance\u003c\/li\u003e\n  \u003cli\u003eZrN coating reduces heat buildup and extends tool life in steel and stainless applications\u003c\/li\u003e\n  \u003cli\u003e0.1200 inch corner radius for controlled blending at workpiece edges and pockets\u003c\/li\u003e\n  \u003cli\u003eExtended reach with 2-3\/8 inch reach length and 0.4750 inch neck diameter for deep-pocket access\u003c\/li\u003e\n  \u003cli\u003e3-flute, 37-degree right-hand helix promotes positive chip flow and smooth finish\u003c\/li\u003e\n  \u003cli\u003eCentercutting geometry allows direct plunge entry without a pre-drilled pilot hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in CNC machining centers and manual milling machines equipped with a 1\/2 inch collet, end mill holder, or equivalent toolholder accepting a 1\/2 inch shank diameter.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and tool changes must be performed with the spindle fully stopped and the machine in a locked-out, de-energized state per applicable OSHA lockout\/tagout procedures. Seat the 1\/2 inch shank fully into a clean, undamaged toolholder and torque the retention mechanism per the toolholder manufacturer specification. Inspect the corner radius and cutting edges for chipping before each use. Extended-reach tools are more sensitive to runout than standard-length end mills, so verify TIR at the toolholder before beginning a cut.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.6250 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4.0000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeck Diameter\u003c\/strong\u003e: 0.4750 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReach Length\u003c\/strong\u003e: 2.3750 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.1200 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 37 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: ZrN (Zirconium Nitride)\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\u003eEnd Type\u003c\/strong\u003e: Corner Radius\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended Reach\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVariable Helix\u003c\/strong\u003e: No\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: +0.00200 to -0.00200 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0.000000 \/ -0.003000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter Tolerance\u003c\/strong\u003e: -0.0001 \/ -0.0004 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.06 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112803\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\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: 315546\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51729596055858,"sku":"315546","price":201.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/50bb0c8213486036013204e1323d9fb3.jpg?v=1788706555","url":"https:\/\/voomisupply.com\/products\/accupro-315546-corner-radius-end-mill-1-2-in-3-flute-zrn","provider":"Voomi Supply","version":"1.0","type":"link"}