H45AL-M-20312 End Mills for Aluminum - 2 Flute - Square - 45° Helix
0.3125" (5/16) Cutter DIA x 0.3125" (5/16) Shank DIA x 1.0000" (1) Length of Cut x 3.0000" (3) Overall Length Carbide 45° Helix Square End Mill for Aluminum, 2 Flutes, Uncoated - (H45AL-M-20312)