Carbide Milling Insert Insert Shape Square Positive Chip-Breaker A57 Grade WAK15 Inscribed Circle .375 In. Insert Thickness .156 In. No of Edges 4 Nose Radius .031 In. Coating CVD Rake 11 Degrees Cutting Direction Right Mounting Style Screw Held Workpiece Material Cast Iron ANSI Number SPMW09T308-A57 WAK15 Application Milling