Carbide Milling Insert Insert Shape Heptagonal Negative Chip-Breaker D57 Grade WKK25 Inscribed Circle .275 In. Insert Thickness .228 In. No of Edges 14 Nose Radius .031 In. Coating PVD Rake 0 Degrees Cutting Direction Right Mounting Style Clamp Held Workpiece Material Cast Iron ANSI Number XNHF0705ANN-D57 WKK25 Application Milling