Harvey Tool 52932-C4 | 0.5000" (1/2) Diameter x 0.5000" (1/2) Shank x 0.4270" LOC x 3.0000" (3) OAL 4 Flutes Amorphous Diamond Coated Carbide Undercutting End MillA 270 Degree spherical ball, this fully stocked Harvey Tool product offering of center cutting Undercutting End Mills is CNC ground from solid carbide in the USA, and is designed for undercutting, deburring, and multi axis machining. Designed for undercutting, deburring and multi axis machining CNC ground in the USA 270 Degree spherical ball Center cutting Solid carbide Product Specifications Tool Number 52932 C4 Cutter Diameter (Inch) 0. 5000" (1 2)