... , HSS, Cobalt, Carbide materials, ball end, normal end, single end or double end.. Main Features of End Mills:3/16" Shank ... , slotting, engraving, pocketing and similar applications.2 Flute Single End Mills.. Use for milling slots, pockets and plunge cuts... 2 Flutes ... non-ferrous and non-metals material... Center cutting allows for three axis profile milling and plunge cutting... 30° Helix Flutes for ...