{"product_id":"walter-prototyp-6579177-corner-radius-end-mill-1-2-in-4-flute","title":"Walter-prototyp 6579177 Corner Radius End Mill 1\/2 in 4 Flute","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe WALTER-PROTOTYP 6579177 is a solid carbide corner radius end mill designed for high-performance material removal in demanding machining applications. Built to a 1\/2 inch diameter with a 0.1200 inch corner radius, this tool delivers a controlled blend radius that reduces stress concentrations in machined pockets and slots. It features four flutes, a 50-degree high helix angle, and a TiAlN PVD coating that provides heat resistance and extended tool life when cutting ferrous and hard materials. The single-end, centercutting design allows direct plunge entry. This tool is specified for use in CNC machining centers by machinists and tooling engineers working in production environments.\u003c\/p\u003e\n\u003cp\u003eThe 6579177 is suited for roughing and finishing operations on steel, stainless steel, cast iron, superalloys, and titanium. The extended reach configuration, with a 1.7170 inch reach length, makes it effective in pockets and cavities where standard-reach tools cannot maintain clearance. The short flute length of 1 inch provides rigidity during aggressive cuts while the high helix promotes efficient chip evacuation. It is intended for use with standard straight-bore toolholders and is compatible with coolant-flood setups, though it does not feature through-spindle coolant. This is a production-grade end mill appropriate for job shops and OEM machining operations running ISO material groups P, M, K, and S.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide construction for rigidity and wear resistance in hard and abrasive materials\u003c\/li\u003e\n  \u003cli\u003eTiAlN PVD coating provides high-temperature oxidation resistance for dry and semi-dry cutting\u003c\/li\u003e\n  \u003cli\u003e0.1200 inch corner radius reduces edge chipping and improves part surface finish at floor-wall transitions\u003c\/li\u003e\n  \u003cli\u003e50-degree high helix angle promotes chip evacuation and reduces cutting forces\u003c\/li\u003e\n  \u003cli\u003eCentercutting geometry enables direct plunge and ramping entry without a pre-drilled hole\u003c\/li\u003e\n  \u003cli\u003eExtended reach at 1.7170 inches allows access to deeper pockets while maintaining shank engagement in the toolholder\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, right-hand flute, normal pitch  -  compatible with standard CNC spindle rotation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard straight-bore cylindrical toolholders. Primary workpiece materials are steel, stainless steel, cast iron, superalloys, and titanium (ISO material groups P, M, K, S). Secondary workpiece materials include cast iron, hard materials, and stainless steel. Part of the Walter-Prototyp MC326 series.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a machinist or tooling technician on a CNC machining center. Ensure the machine spindle is fully stopped and the tool change position is confirmed before seating or removing the end mill from the toolholder. Use an appropriate collet or shrink-fit holder that accommodates a 1\/2 inch straight-cylindrical shank with h5 tolerance. Verify runout with a dial indicator after clamping, as excessive runout will accelerate edge wear on a four-flute carbide tool at this diameter.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 1\/2 inch (0.5000 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.1200 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: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4 inches (3-1\/2 inches per raw title  -  nominal 4.0000 inches per spec data)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1\/2 inch (0.5000 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReach Length\u003c\/strong\u003e: 1.7170 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 50 degrees\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\u003c\/strong\u003e: TiAlN (PVD)\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\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\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChipbreaker\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: h9\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter Tolerance\u003c\/strong\u003e: h5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: MC326\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Steel, Stainless Steel, Cast Iron, Superalloys and Titanium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Removal Type\u003c\/strong\u003e: Roughing and Finishing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.328 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112803\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: WALTER-PROTOTYP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 6579177\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALTER","offers":[{"title":"Default Title","offer_id":67906579890482,"sku":"6579177","price":411.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/8368f85200014744fee497104f580cc3.jpg?v=1791169404","url":"https:\/\/voomisupply.com\/products\/walter-prototyp-6579177-corner-radius-end-mill-1-2-in-4-flute","provider":"Voomi Supply","version":"1.0","type":"link"}