Harvey Tool 942255-C8 Square End Mill 0.055 in 3 Flute Carbide

Product Description

The HARVEY TOOL 942255-C8 is a solid carbide square end mill designed for precision milling in demanding machining applications. With a 0.055-inch cutting diameter and a 3-flute configuration, this centercutting tool handles slotting, profiling, and plunging operations in a single setup. The 42-degree variable helix geometry reduces chatter and harmonics, improving surface finish and tool life in difficult materials. A titanium diboride (TiB2) coating adds surface hardness and lubricity, making this end mill well suited for ferrous and non-ferrous alloys. Licensed machinists and CNC operators working with miniature and micro-scale features will find this tool particularly useful for tight-tolerance work.

This end mill is intended for use in CNC machining centers and manual mills where small-diameter, high-precision cutting is required. The 0.165-inch length of cut suits shallow-to-moderate depth passes in miniature component machining, mold work, and prototype fabrication. The 1/8-inch shank fits standard collets and tool holders commonly found in both production and job shop environments. Right-hand cut and right-hand flute orientation are standard for conventional CNC spindle setups. This tool is sold as a single unit.

Key Features

• 0.055-inch cutting diameter for micro and miniature feature work
• 42-degree variable helix reduces vibration and improves surface finish
• TiB2 coating increases hardness and extends tool life
• Centercutting design allows direct plunge entry
• 3-flute geometry balances chip evacuation and cutting edge strength
• Right-hand cut and right-hand flute for standard CNC spindle compatibility

Compatibility

Designed as an OEM-style replacement and standard production end mill for CNC machining centers and manual mills using 1/8-inch collets or tool holders. No specific model compatibility was stated in the product data.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician. Ensure the spindle is fully stopped and the machine is in a safe state before loading or removing the tool. Secure the 1/8-inch shank in a properly sized collet or end mill holder, torqued to the tool holder manufacturer's specification. Verify runout with a dial indicator before beginning a cut to protect this small-diameter tool from premature breakage.