Harvey Tool 46420-C4 | 1/8" Diameter x 1/8" Shank x 1/2" LOC x 1-1/2" OAL 0.0200" Radius 2 Flute Amorphous Diamond Coated Carbide Corner Radius End MillThe corner radius profile featured in this collection of Harvey Tool Miniature End Mills Corner Radius Stub & Standard adds strength to the tool. Corner radius for improved strength Center cutting Solid carbide CNC ground in the USA Product Specifications Cutter Diameter (Inch) 0. 1250" (1 8) Length of Cut (Inch) 0. 5000" (1 2) Overall Length (Inch) 1. 5000" (1 1 2) Number of Flutes 2 Corner Radius 0. 0200" LOC Multiple 4x Shank Diameter (Inch) 0.