Harvey Tool 34612 Square End Mill 0.3mm 3 Flute Carbide

Product Description

The HARVEY TOOL 34612 is a solid carbide square end mill designed for precision micro-milling operations requiring tight tolerances and clean square-shoulder cuts. Built with a 0.3 mm (0.0120 inch) cutting diameter and a 3-flute geometry, this end mill delivers efficient chip evacuation while maintaining rigidity at small diameters. The bright, uncoated finish suits a wide range of workpiece materials and keeps the tool profile true to size. With a 30-degree helix angle and right-hand cutting and flute direction, it produces smooth finishes in demanding machining environments. Machinists and toolmakers in precision shops are the primary installers.

This end mill is suited for CNC machining centers handling micro-scale features, slots, and contours in ferrous and non-ferrous materials. The extended reach design, with a reach length of 0.096 inches, allows access to recessed features without excessive tool stickout. The length of cut range runs from 0.0000 to 0.1000 inches, making this tool appropriate for shallow finishing passes and fine detail work in mold making, die work, and prototype machining where small-diameter accuracy is critical.

Key Features

• 0.3 mm (0.0120 inch) cutting diameter for micro-precision milling applications
• 3-flute solid carbide construction for rigidity and wear resistance at small diameters
• 30-degree helix angle with right-hand cut and right-hand flute direction
• Center-cutting capability allows direct plunge entry
• Extended reach geometry with 0.096 inch reach length for recessed feature access
• Bright, uncoated finish maintains dimensional accuracy across a broad material range

Compatibility

Designed as a single-end square end mill compatible with CNC machining centers and milling machines accepting a 1/8 inch shank diameter collet or toolholder.

Installation Notes

Installation of this tool should be performed by a qualified machinist or CNC operator. Ensure the spindle is fully stopped and the machine is powered down before changing tooling. Use a precision collet appropriate for a 0.125 inch shank diameter and verify runout with a dial indicator before commencing any cut. Do not exceed the recommended depth of cut for the stated length of cut range, as micro-diameter carbide end mills are susceptible to breakage under excessive lateral load.