Designed for optimum performance on steel with secondary applications in stainless steel, Proto•max™ ST Z-5 features 5 cutting edges and is available with wear-resistant TAZ coating. Design reduces risk of tool breakage and is available with Weldon shank configuration for secure clamping, with or without corner radius, and without reduced neck for greater stability by using maximum amount of carbide. Offered in 6–25 mm dia, this milling tool also has helix angle of 35°.