Tool holders ≤ 7×D, Guhring no. 4109 Guhring no. 4112 Guhring no. 4113 Guhring no. 4114 Tool material Solid carbide Tool material Solid carbide Tool material Solid carbide Carbide grade K/P Carbide grade K/P Carbide grade K Surface finish nanoFIRE Surface finish FIRE Surface finish bright Application steel Application cast iron Application Al and Al-alloys v c v Feed column no. c v Feed column no. c Feed column no. m/min m/min m/min 120 5 105 4 120 6 105 5 120 5 110 5 100 4 100 5 85 4 120 6 100 5 70 4 105 4 70 3 55 4 50 3 55 2 50 2 55 2 40 2 35 2 25 1 25 1 80 6 70 6 60 5 60 5 60 5 60 5 100 7 80 6 70 6 40 2 35 1 180 6 180 6 140 6 110 6 180 6 70 5 180 6 120 5 70 5 50 5 45 5 35 4 HT 800 WP 33