{"product_id":"hertel-87144713-roughing-end-mill-7-8-in-5-flute-cobalt","title":"Hertel 87144713 Roughing End Mill 7\/8 in 5 Flute Cobalt","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL 87144713 is a single-end roughing end mill designed for high-material-removal-rate milling operations in ferrous and hard materials. Built from M42 cobalt high-speed steel and finished with a TiCN coating, this tool handles interrupted cuts, tough alloys, and heavy roughing passes where standard HSS tooling falls short. It features a 7\/8 inch cutting diameter, five flutes, and a right-hand cutting and flute direction. The 1.875 inch length of cut and 4.125 inch overall length make it well suited for standard-depth roughing applications on vertical mills, knee mills, and CNC machining centers.\u003c\/p\u003e\u003cp\u003eThis end mill is intended for roughing operations in job shops, maintenance machining environments, and production floor applications where stock removal speed is the priority over surface finish. It is not center-cutting, making it appropriate for side milling, slotting from an existing pocket, and peripheral cuts. The 3\/4 inch shank diameter fits standard ER collet systems, side-lock holders, and Weldon-style tool holders commonly used in manual and CNC milling setups.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eM42 cobalt construction for elevated heat and wear resistance versus standard M2 HSS\u003c\/li\u003e\n\u003cli\u003eTiCN coating reduces friction and extends tool life in ferrous materials\u003c\/li\u003e\n\u003cli\u003eFive-flute geometry increases chip load capacity for faster roughing passes\u003c\/li\u003e\n\u003cli\u003eRight-hand cut and right-hand helix for conventional milling machine spindles\u003c\/li\u003e\n\u003cli\u003eRegular length profile for rigid setups with minimal overhang\u003c\/li\u003e\n\u003cli\u003eNon-center-cutting design suited for peripheral and side milling applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use roughing end mill compatible with milling machines accepting a 3\/4 inch shank diameter in standard ER collet chucks, Weldon flat shank holders, or equivalent tool holding systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or tooling technician. Ensure the machine spindle is fully stopped and locked out before mounting or removing the tool. Seat the shank fully into the holder to the minimum insertion depth recommended for the holder type to prevent tool pullout under load. Verify runout with a dial indicator after tooling is secured before beginning a cut.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 0.875 inches (7\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 5\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: TiCN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 1.875 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.750 inches (3\/4 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4.125 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Type\u003c\/strong\u003e: Single End\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: No\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\u003eVariable Helix\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\u003eLength Type\u003c\/strong\u003e: Regular\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.51 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: 87144713\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51732032160050,"sku":"87144713","price":120.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/9bfcf7a2d8eecabd84783181f5b422ca.jpg?v=1788738419","url":"https:\/\/voomisupply.com\/products\/hertel-87144713-roughing-end-mill-7-8-in-5-flute-cobalt","provider":"Voomi Supply","version":"1.0","type":"link"}