Harvey Tool 972247 | 0.0470" (3/64) Cutter Diameter x 0.1410" LOC x 0.3750" (3/8) Reach 4 Flute Uncoated Square End MillMiniature end mills square long reach, standard flute feature a reduced neck diameter to avoid heeling. Features Length of Cut = 3x Diameter Center cutting Solid carbide CNC ground in the USA Product Specifications Manufacturer Part Number 972247 Cutter Diameter (Inch) 0. 0470" (3 64) Neck Diameter (Inch) 0. 0455" Length of Cut (Inch) 0. 1410" Overall Reach (Inch) 0. 3750" (3 8) Overall Length (Inch) 1. 5000" (1 1 2) Shank Diameter (Inch) 0. 1250" (1