Carbide Milling Insert Insert Shape Round Positive Chip-Breaker A27 Grade WKP25 Inscribed Circle .331 In. Insert Thickness .187 In. No of Edges 4 Nose Radius .236 In. Coating CVD Rake 15 Degrees Cutting Direction Right Mounting Style Screw Held Workpiece Material Cast Iron Steel ANSI Number RDMW1204M0T-A27 WKP25 Application Milling