Guhring 9031890079400 Square End Mill 5/16 Inch Carbide

Product Description

The GUHRING 9031890079400 is a 4-flute solid carbide square end mill designed for precise milling operations in ferrous and non-ferrous materials. It carries a FIREX finish, which provides enhanced heat and wear resistance for extended tool life in demanding cuts. The cutting diameter is 5/16 inches, with a length of cut of 3/4 inches and an overall length of 2-1/2 inches. The 5/16-inch shank diameter provides a secure, concentric grip in standard collet chucks and end mill holders. The 20-degree helix angle promotes smooth chip evacuation, and the centercutting geometry allows plunge entry into the workpiece. This tool is installed and used by machinists and CNC operators in production and maintenance machining environments.

This end mill is suited for slot milling, profiling, and pocketing operations in light to medium material removal applications. The right-hand cut and right-hand flute configuration is standard for conventional CNC machining centers and manual knee mills. The fine pitch classification and regular length designation make it appropriate for general-purpose applications where rigidity and tight tolerances are required. It is part of the GUHRING Series 3189 product line.

Key Features

• Solid carbide construction for rigidity and dimensional stability at high feed rates
• FIREX coating provides thermal and wear resistance in ferrous machining
• Centercutting design allows direct plunge entry without a pre-drilled pilot hole
• 4-flute, fine pitch configuration for improved surface finish in finishing passes
• 20-degree helix angle supports efficient chip evacuation
• Right-hand cut and right-hand flute geometry compatible with standard CNC spindle rotation

Compatibility

Designed as a standard shank end mill for use with 5/16-inch collet chucks, Weldon-style holders, or shrink-fit toolholders on CNC machining centers and manual mills. Part of the GUHRING Series 3189 line.

Installation Notes

Installation is performed by machinists or CNC setup technicians. The machine spindle must be fully stopped and locked out before inserting or removing the tool from the holder. Ensure the holder bore and shank are clean and free of chips or burrs before clamping. Tighten the collet nut or set screw to the toolholder manufacturer's specification using the appropriate wrench.