H45AL-X-30312 End Mills for Aluminum - 3 Flute - Square - 45° Helix
0.3125" (5/16) Cutter DIA x 0.3125" (5/16) Shank DIA x 2.1250" (2-1/8) Length of Cut x 4.0000" (4) Overall Length Carbide 45° Helix Square End Mill for Aluminum, 3 Flutes, ZPLUS Coated - (H45AL-X-30312)