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... 1/4" Mill Diameter 5/16" Length of Cut 3/8" Shank Diameter 2-1/8"" Overall Length 3 Flutes
