Harvey Tool 985416-C6 Square End Mill 1/4 in 4 Flute Altin

Product Description

The HARVEY TOOL 985416-C6 is a solid carbide square end mill designed for precision milling in ferrous and non-ferrous materials. With a 1/4 inch diameter and 4 flutes, it delivers clean, accurate cuts in profiling, slotting, and finishing operations. The AlTiN coating provides thermal resistance and wear protection, extending tool life in high-speed and dry machining environments. A variable 34-degree helix reduces chatter and improves chip evacuation, making this tool well suited for demanding CNC machining applications. It is installed and operated by machinists and CNC programmers in job shop, production, and toolroom settings.

This end mill is suited for use in vertical and horizontal CNC machining centers running ferrous alloys, hardened steels, stainless steels, and similar materials. The extended reach design with a 1.25 inch reach length allows access to deeper features without sacrificing rigidity. The 3/8 inch length of cut and 4 inch overall length make it appropriate for moderate-depth profiling and finishing passes. It is a single-end, right-hand cut, right-hand flute tool compatible with standard 1/4 inch collets and end mill holders.

Key Features

• AlTiN coating improves heat resistance and tool life in high-speed dry cutting
• Variable helix geometry reduces harmonic vibration and chatter during cuts
• Centercutting capability allows plunge entry directly into the workpiece
• Extended reach of 1.25 inches provides access to deeper part features
• Solid carbide construction delivers stiffness and dimensional stability
• Right-hand cut and right-hand flute configuration for standard CNC spindles

Compatibility

Designed for use in standard 1/4 inch collet chucks and end mill holders on CNC vertical and horizontal machining centers. Suitable for ferrous and hardened workpiece materials where AlTiN coating is recommended.

Installation Notes

Installation is performed by a qualified machinist or CNC operator. Ensure the machine spindle is fully stopped and locked out before loading or unloading the tool. Seat the 1/4 inch shank fully into the collet or holder and torque the retention mechanism per the toolholder manufacturer specifications. Confirm runout with a dial indicator before initiating the first cut.