Harvey Tool 12578-C3 | 0.0780" (5/64) Diameter x 0.1250" (1/8) Shank x 0.4750" LOC x 2.5000" (2-1/2) OAL x 4 Flutes AlTiN Coated Carbide Square End MillLong flute and long shank design, this fully stocked selection of Miniature End Mills Square Long Flute are designed for deep cavities and engineered to deliver excellence when milling deep pockets. Long flute and long length design for deep cavities CNC ground in the USA Mills deep pockets Center cutting Solid carbide Product Specifications Tool Number 12578 C3 Cutter Diameter (Inch) 0. 0780" (5 64) Length of Cut (Inch) 0. 4750" Overall Length (Inch)