{"product_id":"cleveland-c38946-keyway-end-mill-5-8-in-2-flute-hss-tin","title":"Cleveland C38946 Keyway End Mill 5\/8 in 2 Flute Hss Tin","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe CLEVELAND C38946 is a 2-flute, high speed steel keyway end mill designed for precision milling of keyways, slots, and profiles in metalworking applications. It features a 5\/8-inch cutting diameter, a 1-5\/16-inch length of cut, and a 3-1\/4-inch overall length. The TiN (titanium nitride) finish improves surface hardness and extends tool life compared to uncoated HSS. A 30-degree helix angle promotes efficient chip evacuation during cutting operations. The centercutting geometry allows direct plunge entry into workpieces. This tool is installed and operated by machinists and tool-and-die professionals working with manual or CNC milling equipment.\u003c\/p\u003e\u003cp\u003eThe C38946 is suited for finishing operations on steel and cast iron workpieces, consistent with its P and K material classification. The straight shank with Weldon flat provides secure tool holding in standard end mill holders and Weldon-style chucks, reducing pullout risk during heavy lateral cuts. Typical applications include keyway slotting on shafts, step milling, and contour finishing in job shop and production environments. The HG-2K series designation identifies this as part of a high-performance general-purpose line within the CLEVELAND catalog.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e5\/8-inch cutting diameter with a tight mill diameter tolerance of +0.0000 \/ -0.0015 inches for consistent fitment\u003c\/li\u003e\n\u003cli\u003eTiN finish for improved wear resistance and extended tool life over uncoated HSS\u003c\/li\u003e\n\u003cli\u003e30-degree helix angle supports efficient chip evacuation in ferrous materials\u003c\/li\u003e\n\u003cli\u003eCentercutting design allows direct plunge milling without pre-drilling\u003c\/li\u003e\n\u003cli\u003eWeldon flat on straight shank provides secure, anti-pullout clamping in standard holders\u003c\/li\u003e\n\u003cli\u003e2-flute configuration optimized for finishing passes in steel and cast iron\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for finishing operations on steel and cast iron workpieces (material codes P and K). Fits standard 5\/8-inch end mill holders and Weldon-style chucks compatible with straight-shank tooling.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists using appropriate end mill holders torqued according to the holder manufacturer specifications. Ensure the spindle is fully stopped and the machine is powered down before inserting or removing the tool. Confirm shank seating depth and Weldon flat alignment with the set screw before running. Cutting parameters including speed and feed should be selected based on workpiece material and machine rigidity.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e: 5\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut (LOC)\u003c\/strong\u003e: 1-5\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e: 3-1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 5\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight with Weldon Flat\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\u003eEnd Mill Material\u003c\/strong\u003e: High Speed Steel (HSS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: TiN (Titanium Nitride)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0.0000 \/ -0.0015 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Removal Type\u003c\/strong\u003e: Finishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Workpiece Materials\u003c\/strong\u003e: Steel, Cast Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: HG-2K\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: CLEVELAND\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C38946\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CLEVELAND CONTROLS","offers":[{"title":"Default Title","offer_id":51705884868914,"sku":"C38946","price":128.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c18c31185670adeb94c5a45eda319977_ffb0ff66-832b-4a04-8412-7efed0c3608f.jpg?v=1788431659","url":"https:\/\/voomisupply.com\/products\/cleveland-c38946-keyway-end-mill-5-8-in-2-flute-hss-tin","provider":"Voomi Supply","version":"1.0","type":"link"}