H35AL-R-30312 End Mills for Aluminum - 3 Flute - Square - 35° Helix
0.3125" (5/16) Cutter DIA x 0.3125" (5/16) Shank DIA x 0.6250" (5/8) Length of Cut x 2.5000" (2-1/2) Overall Length Carbide 35° Helix Square End Mill for Aluminum, 3 Flutes, ZPLUS Coated - (H35AL-R-30312)