{"product_id":"osg-vgm3-0012-corner-radius-end-mill-1-4-in-3-flute-carbide","title":"Osg VGM3-0012 Corner Radius End Mill 1\/4 in 3 Flute Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe OSG VGM3-0012 is a solid carbide corner radius end mill designed for high-performance finishing operations in aluminum and aluminum casting applications. With a 1\/4 inch mill diameter and a 0.0200 inch corner radius, this single-end tool delivers consistent edge geometry on contoured and profiled surfaces. The 3-flute configuration with variable helix (40 to 43 degrees) and variable index reduces harmonic vibration during cutting, improving surface finish and tool life. The bright\/uncoated finish is suited for non-ferrous materials where coating adhesion is not required. Licensed machinists and CNC operators use this tool in standard end mill holders or collet chucks on vertical and horizontal machining centers.\u003c\/p\u003e\u003cp\u003eThe VGM3-0012 is built for finishing cuts in aluminum and aluminum casting, making it a practical choice for aerospace, automotive, and general precision machining environments. The 5\/8 inch length of cut and 2-1\/2 inch overall length fit standard tooling setups without requiring extended-reach configurations. The right-hand flute direction and right-hand cutting orientation are compatible with conventional CNC milling conventions. This tool does not have coolant-through capability or a chipbreaker, so it is best applied in dry or flood-coolant external setups on low-to-medium chip-load aluminum finishing passes.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.0200 inch corner radius for controlled edge blending and contour finishing\u003c\/li\u003e\n\u003cli\u003eVariable helix (40 to 43 degrees) and variable index reduce chatter and improve surface quality\u003c\/li\u003e\n\u003cli\u003e3-flute solid carbide construction balances chip clearance and rigidity for aluminum\u003c\/li\u003e\n\u003cli\u003eBright\/uncoated finish optimized for non-ferrous, low-adhesion cutting conditions\u003c\/li\u003e\n\u003cli\u003eCenter-cutting design allows plunge entry without a pre-drilled pilot hole\u003c\/li\u003e\n\u003cli\u003eStraight cylindrical shank with h6 tolerance for precise tool holder fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-specification tool for CNC milling applications targeting aluminum and aluminum casting workpiece materials, consistent with the OSG VGM3-AL series.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified CNC machinists or toolroom personnel. Secure the shank in a collet chuck or end mill holder rated for the 1\/4 inch shank diameter, and verify runout before cutting. Power down and lock out the spindle before tool changes per standard machine safety procedures. Confirm that feed rates and depths of cut are set within the tool manufacturer specifications for the material and operation before initiating a program cycle.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.625 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0200 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: 40 to 43 degrees (variable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\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\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter Tolerance\u003c\/strong\u003e: h6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0 \/ -0.0004 inches\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\u003eCenter Cutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipbreaker\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Aluminum, Aluminum Casting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Removal Type\u003c\/strong\u003e: Finishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: VGM3-AL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.125 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: OSG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: VGM3-0012\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51728498590002,"sku":"VGM3-0012","price":59.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/109b59586430a61136c42672a3d7384f.jpg?v=1788692205","url":"https:\/\/voomisupply.com\/products\/osg-vgm3-0012-corner-radius-end-mill-1-4-in-3-flute-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}