M-42 Cobalt Roughing End Mill with Coarse Teeth Best for heavy cuts, deep slotting & pocketing applications, center-cutting for plunge cuts. Excellent in all steels, and nonferrous materials. Features include... 7/8" Mill Diameter 1-7/8" Length of Cut 3/4" Shank Diameter 4-1/8" Overall Length 5 Flutes