{"product_id":"osg-464-1250-bn-ball-end-mill-1-8-in-4-flute-solid-carbide","title":"Osg 464-1250-BN Ball End Mill 1\/8 in 4 Flute Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG 464-1250-BN is a solid carbide ball end mill designed for precision milling across a wide range of materials. Part of the OSG 464BN series, this single-end tool features a 0.125 inch mill diameter, a 4-flute spiral configuration, and a 30-degree medium helix angle. The micrograin carbide construction delivers consistent tolerancing for both roughing and finishing operations. With a 0.0625 inch nose radius and a bright uncoated finish, this end mill suits applications where coating buildup or contamination is a concern. It is sold as a single-end tool with a straight-cylindrical shank, ready for direct installation into standard collet or end mill holders.\u003c\/p\u003e\n\u003cp\u003eThis end mill is suited for milling operations on steel, stainless steel, cast iron, non-ferrous metals, and hard materials. The long-series design provides additional reach for deeper cavity work while maintaining rigidity at small diameters. Typical applications include die and mold work, profile milling, and contour finishing passes in CNC machining centers and manual mills. The 4-flute layout supports both material removal and surface finish quality in a single tool, reducing the need for separate roughing and finishing cutters in many setups.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid micrograin carbide construction for consistent tolerancing and tool life\u003c\/li\u003e\n  \u003cli\u003e4-flute spiral design supports combined roughing and finishing operations\u003c\/li\u003e\n  \u003cli\u003e30-degree medium helix angle balances chip evacuation and cutting stability\u003c\/li\u003e\n  \u003cli\u003eBright uncoated finish suitable for non-ferrous metals and applications where coatings are undesirable\u003c\/li\u003e\n  \u003cli\u003eLong-series length type with 0.75 inch reach length for deeper cavity access\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut and right-hand flute direction for standard CNC and manual mill spindles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eRated for use on steel, stainless steel, cast iron, non-ferrous metals, and hard materials per OSG secondary workpiece material classifications P, M, K, N, and H. Fits standard 1\/8 inch collets and end mill holders with a straight-cylindrical shank interface.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist or tooling technician. Ensure the spindle is fully stopped and the machine is powered down before changing tooling. Seat the straight-cylindrical shank fully into the collet or holder to the recommended grip length before tightening to prevent pull-out during cutting. Confirm runout with a dial indicator after installation, especially when working at this diameter, as small runout values have a proportionally larger effect on tool life and surface finish.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 0.1250 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.1250 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNose Radius\u003c\/strong\u003e: 0.0625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 30 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReach Length\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0.0000 \/ -0.0020 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: Solid Carbide, Micrograin Grade\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\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\u003eSeries\u003c\/strong\u003e: 464BN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 pounds\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: OSG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 464-1250-BN\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51729149854002,"sku":"464-1250-BN","price":38.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/79fb5cf40d54acb7b88b9e1e97d8a921.jpg?v=1788700921","url":"https:\/\/voomisupply.com\/products\/osg-464-1250-bn-ball-end-mill-1-8-in-4-flute-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}