Harvey Tool 24347-C6 Square End Mill 3/64 in 5 Flute Altin

Product Description

The HARVEY TOOL 24347-C6 is a solid carbide square end mill designed for precise milling in demanding metalworking applications. With a 3/64 inch (0.047 inch) cutting diameter and a 9/64 inch (0.141 inch) length of cut, this tool delivers tight-tolerance performance in small-feature work. The 5-flute geometry combined with a variable 44-degree helix angle promotes chip evacuation and reduces chatter, making it well-suited for finishing passes in harder materials. An AlTiN coating adds thermal resistance and surface hardness, extending tool life in high-speed dry or near-dry cutting conditions. Licensed machinists and CNC operators are the primary users of this end mill.

This end mill is intended for use in CNC machining centers and high-speed milling machines where small-diameter, tight-tolerance work is required. It is commonly applied in die and mold work, aerospace component machining, and medical device manufacturing where fine features in hardened or abrasive materials demand both rigidity and cutting efficiency. The 1/8 inch shank diameter makes it compatible with standard collet systems used in vertical and horizontal machining centers. Note that this tool is not center-cutting, so it is not designed for plunge entry; peripheral and profile milling are the intended operations.

Key Features

• 3/64 inch cutting diameter with 9/64 inch length of cut for precise small-feature milling
• 5-flute design increases feed rate capability and improves surface finish compared to standard 2- or 3-flute tools
• Variable 44-degree helix angle reduces harmonic vibration and chatter during cutting
• AlTiN coating provides elevated heat resistance and hardness for extended tool life in ferrous and hardened materials
• Solid carbide construction delivers superior rigidity and wear resistance over high-speed steel alternatives
• Right-hand cutting and right-hand flute direction for conventional CNC spindle use

Compatibility

Designed for use in CNC machining centers equipped with 1/8 inch collet or toolholder systems. Suited for peripheral milling, profiling, and slotting operations in ferrous metals, hardened steels, and abrasive alloys where small-diameter solid carbide tooling is required. Not center-cutting; not intended for plunge milling.

Installation Notes

This end mill is installed by a machinist or CNC tooling technician using a precision collet or shrink-fit holder sized for the 1/8 inch shank. Ensure the machine spindle is fully stopped and locked out before changing tooling. Verify runout with a dial indicator after seating the tool; excessive runout at this diameter will accelerate wear and compromise feature accuracy. Because this tool is not center-cutting, program tool paths to avoid direct plunge moves into solid material.