Harvey Tool 750308-C3 | 0.1250" (1/8) Diameter x 0.1250" (1/8) Shank x 0.7500" (3/4) LOC x 2.5000" (2-1/2) OAL x 4 Flutes AlTiN Coated Carbide Miniature Tapered Ball End MillMiniature End Mills Ball Long Flute are CNC ground from solid carbide in the USA, are center cutting, and are designed with a long flute and long shank to mill deep pockets and cavities. Long flute and long shank design for deep cavities CNC ground in the USA Mills deep pockets Center cutting Solid carbide Product Specifications Tool Number 750308 C3 Cutter Diameter (Inch) 0. 1250" (1 8) Length of Cut (Inch) 0. 7500" (3 4) Overall Length (Inch) 2.