Carbide Milling Insert Insert Shape Tangential Rhombic Negative Chip-Breaker B57T Grade WAK15 Inscribed Circle .315 In. Insert Thickness .177 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 ANSI Number LNHU080404-B57T WAK15 Application Milling