{"product_id":"hertel-91192013-roughing-end-mill-1-3-4-in-6-flute-cobalt-m42","title":"Hertel 91192013 Roughing End Mill 1-3\/4 in 6 Flute Cobalt M42","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL 91192013 is a single-end roughing end mill designed for aggressive material removal in milling operations. Built from M42 cobalt high-speed steel with a bright uncoated finish, it measures 1.75 inches in cutting diameter and delivers a 2-inch length of cut. The 6-flute, right-hand cutting geometry produces a coarse chip-breaking action that reduces chatter and heat buildup during heavy roughing passes. The 1.25-inch shank diameter and 4.5-inch overall length suit it for use in milling machines, machining centers, and manual knee mills across production and maintenance shop environments. A licensed machinist or toolroom operator is the typical end user.\u003c\/p\u003e\n\u003cp\u003eThis end mill is suited for roughing passes on ferrous and high-temperature alloy materials where M42 cobalt grade provides heat and wear resistance beyond standard M2 HSS. The non-centercutting design means it is intended for peripheral side milling and slot entry from a pre-drilled or pre-bored hole. Fixed-helix, right-hand flute direction provides consistent chip evacuation in standard climb or conventional milling setups. It is appropriate for both horizontal and vertical milling applications in job shops, maintenance facilities, and production environments requiring reliable stock removal before finish passes.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eM42 cobalt HSS construction for elevated heat resistance during heavy roughing cuts\u003c\/li\u003e\n  \u003cli\u003e6 flutes with right-hand cut and right-hand helix for efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003e1.75-inch mill diameter with 2-inch length of cut for deep roughing passes\u003c\/li\u003e\n  \u003cli\u003e1.25-inch shank diameter for secure retention in standard end mill holders\u003c\/li\u003e\n  \u003cli\u003eBright uncoated finish — no coating delamination risk in interrupted cuts\u003c\/li\u003e\n  \u003cli\u003eNon-centercutting single-end design; requires pre-drilled entry for plunge operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in standard end mill holders or collet chucks accepting a 1.25-inch shank diameter on vertical or horizontal milling machines and machining centers.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a qualified machinist following shop safety protocols. Ensure the machine spindle is fully stopped and the drawbar or retention mechanism is engaged before mounting or removing the tool. Use a properly sized end mill holder or collet rated for the 1.25-inch shank and confirm runout with a dial indicator before cutting. Do not exceed the recommended feed and speed parameters for the workpiece material and machine horsepower.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 1.75 inches (1-3\/4 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 2 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\u003eShank Diameter\u003c\/strong\u003e: 1.25 inches\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\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\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\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\u003eWeight\u003c\/strong\u003e: 0.504 pounds\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: HERTEL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 91192013\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51748838506802,"sku":"91192013","price":277.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/38ee20452276813899383ee58db5e881.jpg?v=1788899314","url":"https:\/\/voomisupply.com\/products\/hertel-91192013-roughing-end-mill-1-3-4-in-6-flute-cobalt-m42","provider":"Voomi Supply","version":"1.0","type":"link"}