H45AL-R-20312 End Mills for Aluminum - 2 Flute - Square - 45° Helix
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 45° Helix Square End Mill for Aluminum, 2 Flutes, ZPLUS Coated - (H45AL-R-20312)
