ROTATING TOOL INSERTS Cutting Speed (SFM)Cutting Speed (SFM) Cutting Speed (SFM)Cutting Speed (SFM) ROTATING TOOL INSERTS MILLING APPLICATION RANGE aRecommendation of the main insert grade based on cutting speed and conditions for each work material. P STEEL (Medium-Rough Cutting) M STAINLESS STEEL 1310 985 985 655 MP7130 MP6120 655 MP6130 MP7140 VP30RT 330 330 0 0 Cutting Conditions Cutting Conditions K CAST IRON K CAST IRON (CBN) 1525 4570 1310 MB730 MP8010 3050 985 655 MC5020 VP15TF 1525 MB710 K 330 0 0 Cutting Conditions Cutting Conditions K006