H45AL-RN-L-20312 End Mills for Aluminum - 2 Flute - Square - 45° Helix - Reduced Neck
0.3125" (5/16) Cutter DIA x 0.3125" (5/16) Shank DIA x 0.4375" (7/16) Length of Cut x 6.0000" (6) Overall Length x 3.1250" (3-1/8) Reach Carbide 45° Helix Square End Mill for Aluminum, 2 Flutes, ZPLUS Coated - (H45AL-RN-L-20312)