{"product_id":"osg-402-019711-square-end-mill-0-0197in-2-flute-carbide","title":"Osg 402-019711 Square End Mill 0.0197in 2 Flute Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe OSG 402-019711 is a solid carbide square end mill designed for precision milling in tight-tolerance applications. With a 0.0197-inch (0.5 mm) cutting diameter and a 0.0591-inch (1.5 mm) length of cut, this tool is built for micro-scale machining where dimensional accuracy is critical. The TiAlN coating provides thermal resistance and extended tool life in demanding materials. It features a 30-degree helix angle with a right-hand spiral flute and right-hand cut geometry. Machinists and tool-and-die professionals use this end mill for detail work in ferrous and non-ferrous materials where standard tooling cannot reach the required feature size.\u003c\/p\u003e\u003cp\u003eThis end mill fits into conventional CNC machining centers and manual mills using a 0.1181-inch (3.00 mm) shank diameter. The Series 402 designation places it within OSG's micrograin carbide line, suited for high-speed finishing and slotting operations in small-feature work. It is a single-end, centercutting tool, meaning it can plunge as well as profile cut. Typical applications include mold cavity detail work, medical component machining, and aerospace part finishing where micro-end mills are the specified tooling class.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e0.0197-inch (0.5 mm) cutting diameter for micro-scale milling operations\u003c\/li\u003e\n\u003cli\u003eSolid micrograin carbide construction for rigidity and wear resistance\u003c\/li\u003e\n\u003cli\u003eTiAlN coating for high-temperature performance and extended tool life\u003c\/li\u003e\n\u003cli\u003e30-degree helix angle with spiral flute geometry for efficient chip evacuation\u003c\/li\u003e\n\u003cli\u003eCentercutting design allows both plunge and peripheral cutting\u003c\/li\u003e\n\u003cli\u003eRight-hand cut and right-hand flute for standard spindle compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use micro end mill for CNC machining centers and manual mills accepting a 3.00 mm (0.1181-inch) shank diameter collet or toolholder.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist following standard toolholding procedures. Ensure the spindle is fully stopped and locked before inserting or removing the end mill. Use a precision collet or shrink-fit holder appropriate for the 0.1181-inch shank to minimize runout at this diameter. At micro-diameters, even small amounts of runout significantly reduce tool life and dimensional accuracy, so holder condition and cleanliness are critical before chucking.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 0.0197 inches (0.5 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 0.0591 inches (1.5 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.1181 inches (3.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 39 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 30 degrees\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\u003eEnd Mill Material\u003c\/strong\u003e: Solid Carbide (Micrograin)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiAlN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 402\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112803\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: 402-019711\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51733191557426,"sku":"402-019711","price":47.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/49f68c9fbd7a60e2b94f993fdfc63c43_57d2c7a7-e090-4a3d-ac39-9de5e59876e6.jpg?v=1788752561","url":"https:\/\/voomisupply.com\/products\/osg-402-019711-square-end-mill-0-0197in-2-flute-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}