{"product_id":"accupro-12183291-corner-radius-end-mill-3-8in-4-flute-ticn","title":"Accupro 12183291 Corner Radius End Mill 3\/8in 4 Flute Ticn","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 12183291 is a solid carbide corner radius end mill designed for precision milling operations in ferrous and hard materials. It features a 3\/8 inch diameter, a 1-3\/4 inch length of cut, and a 0.045 inch corner radius that reduces stress concentration at the cutting edge and extends tool life in demanding applications. The TiCN coating adds surface hardness and wear resistance. With four flutes and a 40-degree helix angle, this end mill delivers efficient chip evacuation and a smooth finish. It is a single-end, centercutting tool, allowing plunge entry into the workpiece. Machinists and tool-and-die professionals use this type of end mill in CNC machining centers for profiling, slotting, and contouring operations.\u003c\/p\u003e\u003cp\u003eThis end mill is suited for use on CNC vertical and horizontal machining centers in job shop, production, and tool-and-die environments. The extra-long 4 inch overall length provides extended reach for deeper cavities and pockets where standard-length tools cannot reach. The right-hand flute direction and right-hand cutting orientation are standard for conventional and climb milling setups. The micrograin carbide substrate supports high-speed operation in steel, stainless, cast iron, and similar materials where edge integrity under heat and load is critical.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.045 inch corner radius reduces edge chipping and extends tool life in interrupted or continuous cuts\u003c\/li\u003e\n\u003cli\u003eTiCN coating provides increased surface hardness and lubricity for ferrous and abrasive materials\u003c\/li\u003e\n\u003cli\u003e40-degree helix angle promotes efficient chip evacuation and reduces cutting forces\u003c\/li\u003e\n\u003cli\u003eCentercutting design allows direct plunge entry without a pre-drilled pilot hole\u003c\/li\u003e\n\u003cli\u003eMicrograin solid carbide substrate supports tight tolerances and high-speed feeds\u003c\/li\u003e\n\u003cli\u003eExtra-long 4 inch OAL with 3 inch length of cut provides access to deep pockets and cavities\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard shank end mill compatible with 3\/8 inch collets, end mill holders, and shrink-fit toolholders used in CNC machining centers.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or CNC operator. Ensure the machine spindle is fully stopped and locked out before changing tooling. Seat the 3\/8 inch shank fully into a clean, properly sized collet or toolholder and torque the retention nut per the toolholder manufacturer's specifications. Inspect the cutting edges for chips or damage before each use, and verify runout with a dial indicator when tight tolerances are required.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 3\/8 inches (0.3750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 1-3\/4 inches (3.0000 inches decimal equivalent per supplier data)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 3\/8 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: 4\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: TiCN\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\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\u003eLength Type\u003c\/strong\u003e: Extra Long\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\u003eCorner Radius Tolerance\u003c\/strong\u003e: 0.00150 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.4 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: 12183291\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51754468475186,"sku":"12183291","price":162.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/8ee9b4c20aa5c620396636a0b8ffcd92.jpg?v=1788945746","url":"https:\/\/voomisupply.com\/products\/accupro-12183291-corner-radius-end-mill-3-8in-4-flute-ticn","provider":"Voomi Supply","version":"1.0","type":"link"}