Accupro 36070845 Ball End Mill 1/4 in 4 Flute Solid Carbide

Product Description

The ACCUPRO 36070845 is a solid carbide ball end mill designed for precision milling operations in metal cutting and finishing applications. It features a 0.2500 inch (1/4 inch) mill diameter with a 0.2130 inch length of cut and a 2.5 inch overall length. The four-flute geometry with variable index spacing promotes chip evacuation and reduces chatter during side milling, contouring, and profiling passes. An AlTiCrN coating provides thermal resistance and wear protection, extending tool life in ferrous and hardened materials. Licensed machinists and CNC operators are the primary users of this end mill.

This ball end mill suits CNC machining centers and manual milling machines used in job shops, tool-and-die operations, and precision manufacturing. Its 1/4 inch shank diameter fits standard ER collet chucks and end mill holders common to both vertical and horizontal machining centers. The 0.6250 inch neck length allows for clearance in shallow-pocket and contour applications where a standard end mill profile would risk tool or holder interference.

Key Features

• 0.2500 inch mill diameter with ball-end geometry for 3D contouring and radius profiling
• AlTiCrN coating for elevated heat resistance and extended tool life in hardened steels
• Variable index flute spacing reduces harmonic vibration during cutting
• Four flutes provide a balance of chip clearance and surface finish quality
• Solid carbide construction delivers rigidity and edge retention over high-speed steel alternatives
• Single-end configuration for direct replacement and simplified tool management

Compatibility

Designed as an OEM-style replacement for solid carbide ball end mills used in standard 1/4 inch collet and end mill holder setups on CNC and manual milling machines.

Installation Notes

Installation is performed by machinists or CNC setup technicians. The machine spindle must be fully stopped and the control placed in a safe state before changing tooling. Use a properly torqued collet nut or set-screw holder to achieve correct clamping force without damaging the shank. Verify runout with a dial indicator after installation before beginning a cut.