{"product_id":"hertel-e199921246-square-end-mill-9-64-in-4-flute-hss","title":"Hertel E199921246 Square End Mill 9\/64 in 4 Flute Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL E199921246 is a square end mill designed for precision milling operations in metal fabrication and machining applications. Built from high speed steel (HSS), this single-end tool features a 9\/64 inch (0.1406 inch) cutting diameter with a 1\/2 inch length of cut and a 30-degree helix angle. Four right-hand spiral flutes provide efficient chip evacuation during cutting passes. The bright, uncoated finish is suited for general-purpose milling where a specialized coating is not required. Licensed machinists and tool-and-die professionals are the primary installers of this type of end mill.\u003c\/p\u003e\u003cp\u003eThis end mill is used in vertical milling machines, CNC machining centers, and manual knee mills for slotting, profiling, and peripheral milling operations. The 3\/8 inch shank diameter fits standard collet chucks and end mill holders commonly found in light-duty and medium-duty machining setups. The 2-3\/8 inch overall length keeps the tool compact, reducing deflection during cuts in shallow-to-medium depth applications. It is well suited for ferrous and non-ferrous metals in general production and toolroom environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh speed steel construction for general-purpose metal milling\u003c\/li\u003e\n\u003cli\u003e9\/64 inch (0.1406 inch) cutting diameter with 1\/2 inch length of cut\u003c\/li\u003e\n\u003cli\u003e4 right-hand spiral flutes for efficient chip removal\u003c\/li\u003e\n\u003cli\u003e30-degree helix angle reduces cutting forces and improves surface finish\u003c\/li\u003e\n\u003cli\u003eBright\/uncoated finish for standard milling applications\u003c\/li\u003e\n\u003cli\u003eSingle-end design with 3\/8 inch straight shank for common collet and holder compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use end mill for standard 3\/8 inch collet chucks and end mill holders used in vertical milling machines and CNC machining centers.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a qualified machinist or CNC operator. Always power down and lock out the spindle before changing tooling. Secure the shank fully within the collet or holder to the recommended engagement depth for the holder type in use. Inspect the cutting edges and shank for damage before mounting; do not use chipped or deformed tooling.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 9\/64 inch (0.1406 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 1\/2 inch (0.5000 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 3\/8 inch (0.3750 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2-3\/8 inches (2.3750 inches)\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 Type\u003c\/strong\u003e: Single End\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 0.5 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: HERTEL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: E199921246\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51754685432114,"sku":"E199921246","price":38.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e37dc10b25bd1b68334ce250eeec3bdd.jpg?v=1788947811","url":"https:\/\/voomisupply.com\/products\/hertel-e199921246-square-end-mill-9-64-in-4-flute-hss","provider":"Voomi Supply","version":"1.0","type":"link"}