Hertel 91196659 Roughing End Mill 2in 8 Flutes Cobalt

Product Description

The HERTEL 91196659 is a single-end roughing end mill designed for aggressive material removal in milling operations. Built from M42 cobalt high-speed steel with a TiCN coating, it handles tough ferrous and non-ferrous workpiece materials while maintaining edge integrity under heat and load. The 2-inch cutting diameter and 8-flute fine-pitch geometry work together to produce a smoother surface finish than coarser roughers, while still clearing chips efficiently. Right-hand cutting and right-hand flute direction make this a standard configuration for conventional vertical and horizontal milling setups. Machinists and tool and die shops reach for this style of end mill when roughing cuts demand both stock removal rate and finish quality in a single pass.

This end mill suits horizontal and vertical knee mills, CNC machining centers, and manual Bridgeport-style machines handling steel, stainless, cast iron, and similar alloys. With a 4-inch length of cut and 7.75-inch overall length, it reaches into deeper pockets and stepped features without excessive tool-holder extension. Center-cutting capability means it can be plunged directly into a workpiece without a pre-drilled pilot hole, adding flexibility to roughing routines in job shops and production environments alike.

Key Features

• M42 cobalt HSS construction provides superior heat and wear resistance versus standard M2 tooling
• TiCN coating reduces friction and extends tool life on ferrous and abrasive materials
• 8-flute fine-pitch design balances chip evacuation with improved surface finish during roughing
• Center-cutting geometry allows direct plunge entry without a pilot hole
• 4-inch length of cut reaches deep pockets and stepped features
• Right-hand cut and right-hand flute direction for standard milling setups

Compatibility

Designed as a standard 2-inch shank single-end roughing end mill compatible with milling machines and CNC machining centers accepting a 2-inch straight shank tool holder or collet chuck.

Installation Notes

Installation and setup should be performed by a qualified machinist or toolroom technician. Power down and lock out the machine spindle before seating or removing the end mill from the tool holder. Ensure the shank is fully seated and the set screw or collet nut is properly torqued per the tool-holder manufacturer specification. Inspect the TiCN coating and cutting edges for chips or wear before each use, and verify correct spindle rotation direction before engaging the cut.