Carbide Milling Insert Insert Shape Round Positive Chip-Breaker A57 Grade WXH15 Inscribed Circle .331 In. Insert Thickness .187 In. No of Edges 4 Nose Radius .236 In. Coating PVD Rake 15 Degrees Cutting Direction Right Mounting Style Screw Held Workpiece Material Hard Materials Steel Cast Iron ANSI Number RDHW1204M0-A57 WXH15 Application Milling