Promax 109-02444 Square End Mill 3/8 in 3 Flute Solid Carbide

Product Description

The PROMAX 109-02444 is a solid carbide square end mill designed for precision milling operations in ferrous and non-ferrous metals. It features a 3/8-inch cutting diameter, a 2-inch length of cut, and a 4-inch overall length, making it well-suited for slotting, profiling, and peripheral milling where extended reach is not required. The AlTiN coating improves heat resistance and tool life in high-speed dry or semi-dry cutting applications. With 3 flutes and a 40-degree helix angle, it balances chip evacuation with surface finish quality. Licensed machinists and CNC operators are the primary installers and users of this tool.

This end mill is intended for use in CNC machining centers, knee mills, and manual milling machines across job shop, production, and toolroom environments. The centercutting geometry allows plunge entry into workpiece material. The right-hand cut and right-hand spiral flute are standard for conventional and climb milling setups. The micrograin carbide substrate supports demanding cuts in steel, stainless steel, cast iron, and similar materials. It fits any machine spindle or toolholder accepting a 3/8-inch straight shank.

Key Features

• Solid micrograin carbide construction for rigidity and wear resistance in hard materials
• AlTiN coating for elevated heat resistance and extended tool life in dry cutting conditions
• 40-degree helix angle promotes efficient chip evacuation and smooth cutting action
• Centercutting design allows direct plunge entry without pre-drilling
• 3 flutes provide a balance between chip clearance and finish quality
• Right-hand cut and right-hand flute direction for standard spindle configurations

Compatibility

Designed for use in any milling machine or machining center with a toolholder accepting a 3/8-inch straight shank. Belongs to PROMAX Series 109.

Installation Notes

Installation should be performed by a qualified machinist familiar with toolholder torque requirements and runout specifications. Ensure the spindle and toolholder are clean and free of debris before seating the shank. Confirm shank engagement depth meets toolholder manufacturer minimums before beginning any cut. Always verify spindle speed and feed rate are appropriate for the workpiece material and depth of cut before operation.