Titan USA TE66219 Roughing End Mills; Mill Diameter (Inch): 7/16; Mill Diameter (Decimal Inch): 0.4375; Number of Flutes: 4; Pitch: Fine; Length of Cut (Inch): 1; Length of Cut (Decimal Inch): 1.0000; Shank Diameter (Inch): 0.3750; 3/8; Shank Diamete