Hertel 62913637 Roughing End Mill 9/16 in 4 Flute Cobalt

Product Description

The HERTEL 62913637 is a single-end roughing end mill designed for aggressive material removal in milling operations. Built from M42 cobalt high-speed steel with a TiAlN coating, it handles tough ferrous and stainless alloys at elevated cutting temperatures. The 9/16 inch (0.5625 inch) cutting diameter pairs with a 1/2 inch shank and a 1-3/8 inch length of cut, giving machinists a solid reach-to-rigidity ratio for roughing passes. Four right-hand spiral flutes with a fine pitch profile break chips effectively and reduce chatter during high-feed cuts. This tool is installed by machinists and toolroom technicians in manual and CNC milling setups.

This roughing end mill is suited for roughing and semi-finishing operations on steel, alloy steel, stainless steel, and similar hard materials where heat resistance and edge retention are priorities. The fine pitch geometry and TiAlN coating make it a practical choice for production milling on vertical machining centers and knee mills where tool life under sustained cutting loads is a concern. The non-centercutting design means plunge entry is not supported; ramp or helical entry is required when cutting into a solid surface.

Key Features

• M42 cobalt HSS construction for heat resistance in tough alloy and stainless applications
• TiAlN coating extends tool life at elevated surface speeds and reduces built-up edge
• 4 right-hand spiral flutes with fine pitch for efficient chip evacuation on roughing cuts
• 9/16 inch cutting diameter with 1/2 inch shank for standard ER and side-lock holders
• 1-3/8 inch length of cut (1.3750 inches) suits typical roughing depth requirements
• Non-centercutting geometry — ramp or helical entry required, no direct plunge

Compatibility

Designed as an OEM-style replacement or direct drop-in for 1/2 inch shank roughing end mill applications in standard milling chucks, ER collet holders, and side-lock tool holders on vertical machining centers and manual mills.

Installation Notes

Installation is performed by a machinist or toolroom technician. Ensure the machine spindle is fully stopped and locked out before changing tooling. Seat the 1/2 inch shank fully in the holder and torque the retention mechanism per the tool holder manufacturer specification. Confirm runout with a dial indicator before taking the first cut, and verify that the programmed entry path uses ramp or helical engagement — direct plunge cuts are not supported by this non-centercutting geometry.