Hertel 84511492 Roughing End Mill 5/8 in 4 Flute Cobalt

Product Description

The HERTEL 84511492 is a single-end roughing end mill manufactured from M42 cobalt high-speed steel and finished with a TiAlN coating. It is designed to remove large amounts of material quickly in milling operations, using a coarse-pitch flute geometry to break chips and reduce heat buildup. The cutter measures 5/8 inch in diameter with a matching 5/8 inch shank and a 5/8 inch length of cut. Overall length is 2.75 inches. It is center-cutting, allowing plunge entry, and runs in a right-hand cutting, right-hand flute direction. Machinists and tool-and-die professionals use this end mill in CNC and manual milling applications where aggressive stock removal is the priority.

This end mill is suited for roughing passes on steel, stainless, and other ferrous and high-temperature alloys where cobalt tooling provides an advantage over standard HSS. The coarse pitch and four-flute configuration make it effective in vertical machining centers, knee mills, and similar setups where chip evacuation and tool rigidity are critical. It is a single-end tool, so once the cutting end is worn, the tool is replaced rather than flipped. The TiAlN coating extends tool life at elevated cutting temperatures, making it a practical choice for dry or semi-dry machining environments.

Key Features

• M42 cobalt HSS construction for improved heat and wear resistance over standard HSS
• TiAlN coating extends tool life in high-temperature cutting conditions
• Coarse-pitch, 4-flute geometry promotes aggressive stock removal and effective chip breaking
• Center-cutting design allows direct plunge entry without a pilot hole
• Right-hand cut and right-hand flute direction for standard milling spindle use
• Matched 5/8 inch shank and cutter diameter for direct collet or end mill holder mounting

Compatibility

Designed as an OEM-style replacement or standard tooling option for 5/8 inch end mill holders, ER collet chucks, and Weldon-style holders used in CNC and manual milling machines.

Installation Notes

Installation is performed by machinists or toolroom technicians. Secure the shank in a properly sized end mill holder or collet chuck and torque the retention mechanism to the holder manufacturer's specification. Ensure the machine spindle is fully stopped and locked out before changing tooling. Inspect the holder bore and collet for wear or contamination before seating the tool, as a worn holder will reduce runout accuracy and shorten tool life.