Harvey Tool 24590 Ball End Mill 0.09in 2 Flute Carbide

Product Description

The HARVEY TOOL 24590 is a miniature solid carbide ball end mill designed for precision milling in tight geometries and small-feature work. With a 0.09 inch mill diameter and a 0.135 inch reach length, this single-end tool is built for stub-length applications where rigidity and accuracy are critical. The 2-flute, right-hand helical flute design at a 30-degree helix angle promotes efficient chip evacuation in both roughing and finishing passes. The bright uncoated carbide construction suits a wide range of workpiece materials including steel, stainless steel, cast iron, and non-ferrous metals. Machinists and toolroom professionals running small-diameter work will find this tool well-suited to CNC machining centers requiring tight tolerances.

This end mill is intended for use in precision CNC milling applications where small-diameter ball profiles are required. Its stub length geometry provides maximum tool stiffness, reducing deflection when milling hardened steels, stainless alloys, cast iron, and non-ferrous metals. The straight cylindrical shank measures 0.125 inches in diameter, compatible with standard collet systems. Typical applications include die and mold work, micro-feature profiling, and finishing of contoured surfaces in production and toolroom environments.

Key Features

• Solid carbide construction for rigidity and wear resistance across multiple workpiece materials
• 0.09 inch mill diameter with a 0.045 inch nose radius for accurate ball-profile cutting
• 2-flute, right-hand helical design at 30 degrees supports both roughing and finishing operations
• Stub length geometry minimizes deflection in small-diameter, high-precision cuts
• Bright uncoated finish suitable for steel, stainless steel, cast iron, and non-ferrous metals
• Straight cylindrical shank fits standard collet toolholding systems

Compatibility

Designed as an OEM-style miniature ball end mill compatible with CNC machining centers and manual mills using standard collet systems accepting a 0.125 inch straight shank. Rated for primary workpiece materials including steel, stainless steel, cast iron, and non-ferrous metals.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Ensure the machine spindle is fully powered down and at rest before changing tooling. Seat the shank fully into the collet or toolholder to the recommended grip length and verify runout before cutting. At small diameters, even minor runout will accelerate tool wear and can cause breakage, so verify concentricity with a dial indicator prior to production use.