Harvey Tool 32804-C3 | 0.0625" (1/16) Radius x 0.5000" (1/2) Diameter x 0.5000" (1/2) Shank x 0.3750" (3/8) LOC Concave AlTiN Coated Carbide Concave Radius End MillCNC ground in the USA, this Harvey Tool offering of 4 flute Concave Radius End Mills features tooling with a solid carbide head and a steel shank. Ground form relieved (can be re ground without losing radius Cutting on OD and radius only (non end cutting) CNC ground in the USA Solid carbide 4 Flutes Product Specifications Tool Number 32804 C3 Cutter Diameter (Inch) 0. 5000" (1 2) Length of Cut (Inch) 0. 3750" (3 8) Overall Length (Inch) 3. 0000" (3)