ISOWorkpiece materialPriorityChip breakerCutting speed Vc (m/min)ø12 - ø13.99ø14 - ø18 feed:fø18.01 - ø28 (mm/rev)ø28.01 - ø40
Low carbon steel (C < 0.3) SS400 SM490 S25C tLower feedNDL50 - 100-0.03 - 0.10.03 - 0.1-
, , , ec. E275A, E355D, C25, etc.First recommendationNDJ/G80 - 1400.05 - 0.10.05 - 0.10.05 - 0.10.1 - 0.2
Carbon steel (C > 0.3)Lower feedNDL50 - 100-0.03 - 0.10.03 - 0.12-
S45C, S55C, etc. C45, C55, etc.First recommendationNDJ/G80 - 1400.05 - 0.160.05 - 0.160.05 - 0.20.1 - 0.2
Low alloy steel (C < 0.3)Lower feedNDL50 - 100-0.03 - 0.10.03 - 0.1-
SCM415, etc. 18CrMo4, etc.First recommendationNDJ/G80 - 1400.05 - 0.10.05 - 0.10.05 - 0.10.1 - 0.2
Alloy steel (C > 0.3) SCM440 SC420 tLower feedNDL50 - 100-0.03 - 0.10.03 - 0.12-
, r, ec. 42CrMo4, 20Cr4, etc.First recommendationNDJ/G80 - 1200.05 - 0.160.05 - 0.160.05 - 0.20.1 - 0.2
Stainless steel (Austenitic) SUS304 SUS316 tLower feedNDL50 - 100-0.03 - 0.060.03 - 0.06-
, , ec. X5CrNi18-9, X5CrNiMo17-12-3, etc.First recommendationNDJ/G60 - 1000.05 - 0.10.05 - 0.10.05 - 0.10.1 - 0.15
Stainless steel (Martensitic, Ferritic)Lower feedNDL50 - 100-0.03 - 0.060.03 - 0.06-
SUS430, SUS416, etc. X6Cr17, X12CrS13, etc.First recommendationNDJ/G60 - 1000.05 - 0.10.05 - 0.10.05 - 0.10.1 - 0.15
Stainless steel (Precipitation hardening)Lower feedNDL50 - 100-0.03 - 0.060.03 - 0.06-
SUS630, etc. X5CrNiCuNb16-4, etc.First recommendationNDJ/G60 - 1000.05 - 0.10.05 - 0.10.05 - 0.10.1 - 0.15
Grey cast iron FC250 tLower feedNDL50 - 100-0.03 - 0.150.05 - 0.18-
, ec. 250, etc.First recommendationNDJ/G80 - 1400.05 - 0.250.05 - 0.250.05 - 0.30.1 - 0.3
Ductile cast ironLower feedNDL50 - 100-0.03 - 0.150.05 - 0.18-
FCD700, etc. 600-3, etc.First recommendationNDJ/G80 - 1400.05 - 0.250.05 - 0.250.05 - 0.30.1 - 0.3
Lower feedNDL80 - 160-0.03 - 0.150.03 - 0.15-
Aluminium alloysFirst recommendationNDJ/G100 - 2000.05 - 0.20.05 - 0.20.05 - 0.20.1 - 0.25
Heat resistant alloysLower feedNDL20 - 50-0.03 - 0.060.03 - 0.08-
Inconel 718, etc.First recommendationNDJ/G20 - 500.04 - 0.080.04 - 0.080.04 - 0.10.06 - 0.13
Titanium alloysLower feedNDL30 - 60-0.03 - 0.10.03 - 0.12-
Ti-6Al-4V, etc.First recommendationNDJ/G30 - 600.05 - 0.130.05 - 0.130.05 - 0.150.1 - 0.18
Hardened steelLower feedNDL40 - 100-0.03 - 0.080.03 - 0.08-
�40HRCFirst recommendationNDJ/G50 - 1000.04 - 0.080.04 - 0.080.04 - 0.10.06 - 0.13
* 40HRCFirst recommendationNDJ/G50 - 1000.04 - 0.080.04 - 0.080.04 - 0.10.06 - 0.13G
APPLICATION RANGE
Feed
f0.03 - 0.050.03 - 0.050.1 - 0.3
(mm/rev)

OK Cross hole OK OK H

Inclined exit Boring drilling Application I 16 mm or less

(for standard drill)

Note 1) When drilling cross holes or exiting the inclined surface, make sure the guide-pads are suitable. J Note 2) A pilot hole is needed prior to a boring operation. ap ≥ 1 mm is recommended for boring operations.

SHAPES O F THE HOLE BOTTOM

DC 12 - 13.99LOGT06 InsertPL 1.8 Maximum differenceLOGT06.. DC.TOHT09... - TOHT12... TOHT07..., 08... DC DC
14 - 15.99TOHT072
16 - 18TOHT082.2
18.01 - 20TOHT093LPL
20.01 - 21.99TOHT103.2PPL
22 - 25TOHT113.4
25.01 - 28TOHT123.7
DCCentralIntermediate InsertPeripheralPL Maximum differenceFBM...
28.01 - 29FBM06504LG-CFBM05503RG-IFBH06003RG-P2.6
29.01 - 29.99FBM06504LG-CFBM05503RG-IFBH06003RG-P2.6DC
30 - 31FBM06504LG-CFBM06504RG-IFBH07504RG-P2.9
31.01 - 32FBM06504LG-CFBM06504RG-IFBH07504RG-P3
32.01 - 33FBM06504LG-CFBM06504RG-IFBH07504RG-P3.1
33.01 - 34FBM06504LG-CFBM06504RG-IFBH07504RG-P3
34.01 - 35FBM06504LG-CFBM06504RG-IFBH07504RG-P3.1
35.01 - 36FBM08004LG-CFBM06504RG-IFBH07504RG-P3.1PL
36.01 - 37FBM08004LG-CFBM06504RG-IFBH07504RG-P3
37.01 - 38FBM08004LG-CFBM06504RG-IFBH07504RG-P3.1
38.01 - 39FBM08004LG-CFBM06504RG-IFBH09004RG-P3.4
39.01 - 40FBM08004LG-CFBM06504RG-IFBH09004RG-P3.3