Coolant pressure (MPa) AH725 Coolant volume (l/min) GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex P SteelMStainless A K Cast iron N Non-ferrous S SuperalloysHHard materialsCoated : First choice: Second choice B Designation DC S LPR PL PocketSize Body SMP391 39.1 10.5 zSMP39539.510.5zSMP39739.710.5z 16.6 7.12 39 TIS390F40-*16.67.1939TIS390F40-*16.67.2239TIS390F40-*C SMP398 39.8 10.5 z 16.6 7.24 39 TIS390F40-* SMP400 40 10.5 z 16.2 7.28 40 TIS400F40-* SMP401 40.1 10.5 zSMP40540.510.5zSMP4104110.5z 16.2 7.3 40 TIS400F40-*16.27.3740TIS400F40-*16.27.4640TIS380F40-*D z: Line up STANDARD CUT TING CONDITIONS Feed: f (mm/rev) ISO Workpiece materialLow carbon steels Cutting speedVc (m/min) DC (mm)ø26 - ø29.9ø30 - ø35.9ø36 - ø41 E80 - 1400.2 - 0.50.2 - 0.50.2 - 0.55 S15C, S20C, etc. C15, C20, etc. Carbon steels, Alloy steelsS55C, SCM440, etc.C55, 42CrMoS4, etc.80 - 130 0.2 - 0.5 0.2 - 0.5 0.2 - 0.55 Prehardened steelsNAK80, PX5, etc.Stainless steels50 - 100 0.2 - 0.5 0.2 - 0.5 0.2 - 0.55 F SUS304, SUS316X5, etc. CrNi18-9, X5CrNiMo17-12-2, etc. 40 - 80 0.15 - 0.3 0.15 - 0.3 0.2 - 0.35 Grey cast irons 80 - 180 0.25 - 0.55 0.25 - 0.55 0.3 - 0.6 250, 300, etc.Ductile cast ironsFCD400, FCD600, etc.400-15, 600-3, etc.80 - 140 0.25 - 0.55 0.25 - 0.55 0.3 - 0.6 G Non ferrous materials 100 - 200 0.4 - 0.6 0.4 - 0.6 0.5 - 0.7 Heat-resistant alloyInconel718, etc.Titanium alloysTi-6Al-4V, etc.20 - 5020 - 50 0.1 - 0.20.1 - 0.3 0.1 - 0.20.1 - 0.3 0.1 - 0.250.1 - 0.35 H Hardened materials 20 - 60 0.1 - 0.2 0.1 - 0.2 0.1 - 0.25 RECOMMENDED COOLANT PRESSURE AND VOLUME3 30 I Optimal 2 OptimalGood 20 Good J 1 10 Minimum Minimum 026 30 0354126 30 35 41 K Drill diameter: DC (mm) Drill diameter: DC (mm) HOW TO CHANGE DRILL HEADTo unclamp rotate the screw 3-5 timesNo need to removecounter-clockwise.the screw from the body. L M - Please change the screw to new one when the screw does not rotate smoothly Tungaloy J031