{"product_id":"hertel-91192807-roughing-end-mill-2-in-8-flute-cobalt","title":"Hertel 91192807 Roughing End Mill 2 in 8 Flute Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL 91192807 is a single-end roughing end mill engineered for aggressive material removal in milling operations. Built from M42 cobalt high-speed steel with a Titanium Nitride (TiN) coating, it delivers extended tool life and heat resistance in demanding cutting environments. The 2-inch diameter cutter features 8 coarse-pitch flutes with a right-hand cutting and right-hand flute direction, generating the chip-breaking geometry that reduces cutting forces and vibration during heavy roughing passes. This tool is installed and operated by machinists and tooling professionals working with vertical and horizontal milling machines.\u003c\/p\u003e\u003cp\u003eThis end mill is suited for roughing operations on ferrous and non-ferrous metals where high feed rates and deep axial depths of cut are required. The coarse pitch flute design breaks chips efficiently, preventing re-cutting and reducing heat buildup at the cutting edge. With a 1.25-inch shank diameter and 4.5-inch overall length, it fits standard milling machine spindles and tool holders designed for large-diameter end mills. It is a single-end, non-centercutting tool, meaning it is not designed for plunge cutting and should be ramped or edge-entered into the workpiece.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eM42 cobalt HSS construction for superior red hardness and wear resistance\u003c\/li\u003e\n\u003cli\u003eTitanium Nitride (TiN) coating reduces friction and extends cutting life\u003c\/li\u003e\n\u003cli\u003e8 coarse-pitch flutes for efficient chip evacuation during heavy roughing\u003c\/li\u003e\n\u003cli\u003eRight-hand cut, right-hand helix configuration for standard milling setups\u003c\/li\u003e\n\u003cli\u003eNon-centercutting, single-end design — requires ramp or edge entry\u003c\/li\u003e\n\u003cli\u003e1.25-inch shank diameter for secure seating in large-bore tool holders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in milling machines accepting a 1.25-inch shank diameter end mill holder. Suited for roughing passes on steel, stainless steel, cast iron, and similar ferrous materials.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist following shop safety procedures. Ensure the milling machine spindle is fully powered down and locked out before inserting or removing the tool from its holder. Secure the shank fully within the tool holder to the recommended engagement depth per the holder manufacturer guidelines. Because this is a non-centercutting tool, do not plunge directly into solid material — use a ramp entry or begin cuts from the workpiece edge.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: Cobalt (M42 HSS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: M42\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Titanium Nitride (TiN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch\u003c\/strong\u003e: Coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 1.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Single End\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\u003eCentercutting\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Reach\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Helix\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.504 pounds\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: 91192807\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51727613002034,"sku":"91192807","price":397.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6b38ac1b7e9565165897c327d6bc792e.jpg?v=1788680016","url":"https:\/\/voomisupply.com\/products\/hertel-91192807-roughing-end-mill-2-in-8-flute-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}