H45AL-SR-30250 End Mills for Aluminum - 3 Flute - Square - 45° Helix
0.2500" (1/4) Cutter DIA x 0.2500" (1/4) Shank DIA x 0.5000" (1/2) Length of Cut x 2.5000" (2-1/2) Overall Length Carbide 45° Helix Square End Mill for Aluminum, 3 Flutes, Uncoated - (H45AL-SR-30250)