Carbide Milling Insert Insert Shape Square Negative Chip-Breaker D27 Grade WKP25S Inscribed Circle .250 In. Insert Thickness .307 In. No of Edges 8 Nose Radius .157 In. Coating CVD Rake 0 Degrees Cutting Direction Right Mounting Style Screw Held Workpiece Material Cast Iron Steel ANSI Number SNMX160640-D27 WKP25S Application Milling