HEF-R-50312 End Mills for Steels - 5 Flute - Square - Finisher
0.3125" (5/16) Cutter DIA x 0.3125" (5/16) Shank DIA x 0.8125" (13/16) Length of Cut x 2.5000" (2-1/2) Overall Length Carbide Square End Mill for Steel, 5 Flutes, APLUS Coated - (HEF-R-50312)