apdepth of cut (mm)apdepth of cut (mm) WIDIA™ VariTurn™ Chipbreaker Geometries Positive and Negative Inserts (continued) 6P For medium to rough turning. Outstanding chip control due to specially configuredchipbreaker element in corner area. Good chip forming with low depths of cut.P M Corner Radius feed rate (mm) fn Cutting Edge 7N For medium-duty to roughing. Outstanding chip control. High edge strength for interruptedcuts, forging skin, or scale. Preferred for all cast iron such as grey, malleable, and nodular.P K Corner Radius feed rate (mm) fn Cutting Edge (continued) B118 widia.com