Carbide Milling Insert Insert Shape Tangential Rhombic Negative Chip-Breaker F57T Grade WKP25S Inscribed Circle .315 In. Insert Thickness .138 In. No of Edges 4 Nose Radius .016 In. Coating CVD Rake 0 Degrees Cutting Direction Right Mounting Style Screw Held Workpiece Material Cast Iron Steel ANSI Number LNHU080304-F57T WKP25S Application Milling