Promax US007071 Square End Mill 3/8 in 4 Flute Carbide

Product Description

The PROMAX US007071 is a solid carbide square end mill designed for precision milling operations in metalworking and machining applications. Built on the US007 series platform, it features a 3/8 inch cutting diameter, 1/2 inch length of cut, and a 2 inch overall length with a straight cylindrical 3/8 inch shank. The variable helix geometry at 35/38 degrees reduces harmonic vibration during cutting, improving surface finish and tool life. The PowerLayer coating adds wear resistance for extended performance in ferrous and non-ferrous materials. This tool is center-cutting and right-hand cutting with right-hand flute direction.

This end mill is suited for slotting, profiling, and peripheral milling in CNC machining centers and manual mills. The 4-flute configuration balances chip evacuation with surface finish quality, making it appropriate for finishing passes and moderate material removal in steel, stainless, aluminum, and similar workpiece materials. The micrograin carbide substrate supports higher cutting speeds and feeds compared to standard carbide grades. It is a standard length tool with no extended reach, appropriate for most production and job-shop milling setups.

Key Features

• Variable helix angle (35/38 degrees) reduces chatter and harmonic vibration during cutting
• PowerLayer coating provides enhanced wear resistance and thermal protection
• Micrograin solid carbide substrate supports elevated cutting speeds and improved edge retention
• Center-cutting design allows plunge entry into workpiece material
• Variable index flute spacing further dampens vibration for improved surface finish
• Right-hand cut and right-hand spiral flute direction for standard CNC and manual mill use

Compatibility

Designed for use in standard CNC machining centers and manual milling machines accepting a 3/8 inch straight cylindrical shank. Compatible with ER collets, end mill holders, and shrink-fit toolholders sized for 3/8 inch shank diameter.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician. Ensure the machine spindle and toolholder are clean and free of debris before seating the shank. Follow the toolholder manufacturer's torque specifications when tightening collet nuts or set screws. Always confirm spindle direction matches the right-hand cutting orientation of this tool before initiating a cut.