apdepth of cut (mm)apdepth of cut (mm) WIDIA™ VariTurn™ Chipbreaker Geometries Positive and Negative Inserts (continued) ..MA Flat top geometry for machining cast iron. For finishing to roughing applications. K Cutting Edge feed rate (mm) fn ..GP For light machining to light roughing. S Corner Radius feed rate (mm) fn Cutting Edge widia.com B119