Titanium Nitride Coated Roughing End Mill Best for heavy cuts, deep slotting & pocketing applications. TiN coating provides an ability to increase machine speeds by 10 to 20% vs uncoated tools. Excellent in all steels, and nonferrous materials. Great for General Purpose Use Features include... 7/16" Mill Diameter 1" Length of Cut 3/8" Shank Diameter 2-11/16" Overall Length 4 Flutes