A Grade P Steel  M Stainless  K Cast iron  N Non-ferrous   B S Superalloys : First choice H Hard materials  : Second choice Insert Coated Pocket AH725 Designation DC S LPR PL Body Size C Ext. Toolholder SMP391 39.1 10.5 z 16.6 7.12 39 TIS390F40-* SMP395 39.5 10.5 z 16.6 7.19 39 TIS390F40-* SMP397 39.7 10.5 z 16.6 7.22 39 TIS390F40-* SMP398 39.8 10.5 z 16.6 7.24 39 TIS390F40-* SMP400 40 10.5 z 16.2 7.28 40 TIS400F40-* D SMP401 40.1 10.5 z 16.2 7.3 40 TIS400F40-* Int. Toolholder SMP405 40.5 10.5 z 16.2 7.37 40 TIS400F40-* SMP410 41 10.5 z 16.2 7.46 40 TIS380F40-* z: Line up S TA N DA R D C U T T I N G C O N D I T I O N S Feed: f (mm/rev) E Threading Cutting speed ISO Workpiece material DC (mm) Vc (m/min) ø26 - ø29.9 ø30 - ø35.9 ø36 - ø41 Low carbon steels 80 - 140 0.2 - 0.5 0.2 - 0.5 0.2 - 0.55 S15C, S20C, etc. C15, C20, etc. Carbon steels, Alloy steels 80 - 130 0.2 - 0.5 0.2 - 0.5 0.2 - 0.55 F S55C, SCM440, etc. C55, 42CrMoS4, etc. Grooving Prehardened steels 50 - 100 0.2 - 0.5 0.2 - 0.5 0.2 - 0.55 NAK80, PX5, etc. Stainless steels 40 - 80 0.15 - 0.3 0.15 - 0.3 0.2 - 0.35 SUS304, SUS316X5, etc. CrNi18-9, X5CrNiMo17-12-2, etc. Grey cast irons 80 - 180 0.25 - 0.55 0.25 - 0.55 0.3 - 0.6 Milling cutter Miniature tool G 250, 300, etc. Ductile cast irons 80 - 140 0.25 - 0.55 0.25 - 0.55 0.3 - 0.6 FCD400, FCD600, etc. 400-15, 600-3, etc. Non ferrous materials 100 - 200 0.4 - 0.6 0.4 - 0.6 0.5 - 0.7 Heat-resistant alloy H 20 - 50 0.1 - 0.2 0.1 - 0.2 0.1 - 0.25 Inconel718, etc. Titanium alloys 20 - 50 0.1 - 0.3 0.1 - 0.3 0.1 - 0.35 Ti-6Al-4V, etc. Hardened materials 20 - 60 0.1 - 0.2 0.1 - 0.2 0.1 - 0.25 I Endmill R EC O M M E N D E D C O O L A N T PR ES S U R E A N D VO LU M E 3 30 Coolant pressure (MPa) Coolant volume (l/min) Optimal J 2 20 Drilling tool Optimal Good Good 1 10 Minimum User's Guide Tooling System K Minimum 0 0 26 30 35 41 26 30 35 41 Drill diameter: DC (mm) Drill diameter: DC (mm) L H OW TO C H A N G E D R I L L H E A D To unclamp rotate the screw 3-5 times No need to remove counter-clockwise. the screw from the body. M Index - Please change the screw to new one when the screw does not rotate smoothly Tungaloy J031