
GROOVING AND CUT-OFF BEYOND EVOLUTION INSERTS APPLICATION DATA RECOMMENDED STARTING SPEEDS Grooving & Cut-Off • Application Data • Recommended Starting Speeds (m/min) Material KCU10B KCU25B Group MIN MAX MIN MAX TURNING 0–1 145 350 135 360 2 145 255 125 220 3 145 255 120 220 P 4 80 180 35 95 5 125 275 60 145 6 115 240 50 120 1 145 275 100 265 M 2 125 255 90 250 3 125 255 90 220 1 125 255 135 400 K 2 95 220 115 375 3 65 160 100 340 1–2 160 1025 115 820 3 – – – – N 4 125 640 115 635 5 95 255 90 320 6 125 320 90 410 1 15 140 10 65 2 15 140 10 85 S 3 15 140 15 85 4 15 180 10 115 1 30 70 – – H 2 45 80 – – 3 – – – – kennametal.com A72