Hertel 750690 Square End Mill 7/32 in 4 Flute Solid Carbide

Product Description

The HERTEL 750690 is a 4-flute solid carbide square end mill designed for precision milling in ferrous and non-ferrous materials. Built from micrograin carbide with a TiCN (Titanium Carbonitride) coating, this tool delivers excellent wear resistance and thermal stability at elevated cutting speeds. It features a 30-degree spiral helix, right-hand cut, and right-hand flute orientation. The centercutting geometry allows plunge entry as well as conventional peripheral milling. With a 7/32 inch (0.2188 inch) diameter and a 5/8 inch length of cut, this end mill is suited for slotting, profiling, and contouring in tight-tolerance applications. Machinists and CNC operators in job shops, production facilities, and tool rooms install this type of tooling.

This end mill fits standard 1/4 inch collet chucks and milling tool holders. With a 2-1/2 inch overall length and a regular-length classification, it is well suited for general-purpose milling work on CNC machining centers and manual knee mills. The TiCN finish adds surface hardness and reduces built-up edge when cutting steels, stainless alloys, and cast iron. The spiral flute design promotes efficient chip evacuation, reducing heat buildup and extending tool life in continuous cutting operations.

Key Features

• Solid micrograin carbide construction for rigidity and edge retention
• TiCN coating improves wear resistance and reduces friction at the cutting edge
• 4-flute, 30-degree helix spiral configuration for smooth chip flow
• Centercutting capable — supports both plunge and ramp entry
• Right-hand cut and right-hand flute for standard CNC spindle compatibility
• Diameter tolerance of +0.000 / -0.002 inches for consistent fitment in precision work

Compatibility

Designed for use with standard 1/4 inch collet systems and milling tool holders on CNC machining centers and manual milling machines requiring a 7/32 inch diameter square end mill.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Ensure the machine spindle is fully stopped and the tool holder is clean and free of debris before seating the end mill. Secure the shank to the full recommended engagement depth in the collet or tool holder, and verify runout with a dial indicator before beginning a cut. Follow the tooling manufacturer and machine builder guidelines for speeds, feeds, and depth-of-cut parameters appropriate to the workpiece material.