{"product_id":"accupro-12181302-corner-radius-end-mill-3-16-in-2-flute","title":"Accupro 12181302 Corner Radius End Mill 3\/16 in 2 Flute","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 12181302 is a solid carbide corner radius end mill designed for precision milling operations in ferrous and non-ferrous materials. It carries a 3\/16 inch (0.1875 inch) mill diameter with a 0.045 inch corner radius and a TiCN (Titanium Carbonitride) coating that improves wear resistance and tool life in demanding cutting environments. The 2-flute, right-hand spiral geometry supports efficient chip evacuation in slotting, profiling, and contouring applications. The micrograin carbide substrate provides the rigidity and edge retention needed for tight-tolerance work. Machinists and tool-and-die professionals rely on this configuration for detail milling where corner geometry consistency is critical.\u003c\/p\u003e\u003cp\u003eThis end mill is suited for use in CNC machining centers and manual mills performing finish work on molds, dies, and close-tolerance components. The single-end, centercutting design allows plunge entry, making it effective for pocketing and ramp-entry cuts. The 5\/8 inch length of cut and 2 inch overall length position it for short-reach applications where rigidity is prioritized over extended reach. The 40-degree helix angle promotes smooth cutting action and reduced chatter at higher feed rates.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTiCN coating for improved hardness and wear resistance in ferrous materials\u003c\/li\u003e\n\u003cli\u003eMicrograin solid carbide substrate for superior edge retention and rigidity\u003c\/li\u003e\n\u003cli\u003e0.045 inch corner radius reduces stress concentrations and improves surface finish at part edges\u003c\/li\u003e\n\u003cli\u003eCentercutting design supports direct plunge entry and ramp interpolation\u003c\/li\u003e\n\u003cli\u003eRight-hand cut, right-hand spiral flute geometry for standard CNC spindle compatibility\u003c\/li\u003e\n\u003cli\u003e40-degree helix angle promotes chip flow and reduces cutting forces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit replacement or standard tooling selection for CNC machining centers and manual mills accepting a 3\/16 inch shank diameter tool holder or collet.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist following shop safety protocols. Ensure the spindle is fully stopped and the machine is in a safe state before changing tooling. Seat the shank fully into a clean, undamaged collet or end mill holder and torque the retention nut to the tool holder manufacturer specification. Verify runout with a dial indicator before beginning a cut, particularly when corner radius tolerance is critical to the finished part.\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\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0.000000 to -0.002500 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\u003eCorner Radius Tolerance\u003c\/strong\u003e: 0.00150 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\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\u003eShank Diameter Tolerance\u003c\/strong\u003e: -0.0001 to -0.0004 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 40 degrees\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\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Corner Radius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Double End\u003c\/strong\u003e: Single\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: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Index\u003c\/strong\u003e: No\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: TiCN\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: 12181302\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51752735146290,"sku":"12181302","price":44.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2c2a36114e1c7a61ee0e4f398023bcc0.jpg?v=1788930014","url":"https:\/\/voomisupply.com\/products\/accupro-12181302-corner-radius-end-mill-3-16-in-2-flute","provider":"Voomi Supply","version":"1.0","type":"link"}