A


Grade
INSERT
GTGN16
C
CW

B
RE


Insert
CDX

IC

C


Ext. Toolholder
ER/IL shown.
P Steel 
M Stainless 
K Cast iron
N Non-ferrous


D


Int. Toolholder
S Superalloys  : First choice
H Hard materials : Second choice
Coated Shim
SH730 Insert Dual-clamp
Designation HAND CW±0.03 RE CDX IC C toolholder: Clamp-on
size

E
screw-on and toolholder


Threading
clamp-on
GTGN-16ER/IL100 R 1 0.1 z 16 1.25 9.53 4.22 G16ER/IL-DT G16ER/IL-S
GTGN-16EL/IR100 L 1 0.1 z 16 1.25 9.53 4.22 G16ER/IL-DT G16ER/IL-S
GTGN-16ER/IL120 R 1.2 0.1 z 16 1.3 9.53 4.12 G16ER/IL-DT G16ER/IL-S
GTGN-16EL/IR120 L 1.2 0.1 z 16 1.3 9.53 4.12 G16ER/IL-DT G16ER/IL-S


F
GTGN-16ER/IL140 R 1.4 0.1 z 16 1.5 9.53 4.02 G16ER/IL-DT G16ER/IL-S


Grooving
GTGN-16EL/IR140 L 1.4 0.1 z 16 1.5 9.53 4.02 G16ER/IL-DT G16ER/IL-S
GTGN-16ER/IL170 R 1.7 0.1 z 16 1.7 9.53 3.67 G16EL/IR-DT G16EL/IR-S
GTGN-16EL/IR170 L 1.7 0.1 z 16 1.7 9.53 3.67 G16EL/IR-DT G16EL/IR-S
GTGN-16ER/IL195 R 1.95 0.1 z 16 1.7 9.53 3.75 G16EL/IR-DT G16EL/IR-S


Milling cutter Miniature tool
G
GTGN-16EL/IR195 L 1.95 0.1 z 16 1.7 9.53 3.75 G16EL/IR-DT G16EL/IR-S
GTGN-16ER/IL225 R 2.25 0.1 z 16 1.8 9.53 3.6 G16EL/IR-DT G16EL/IR-S
GTGN-16EL/IR225 L 2.25 0.1 z 16 1.8 9.53 3.6 G16EL/IR-DT G16EL/IR-S
Note: GTGN insert can be used for both external and internal machining, but the tool hand is reversed. z: Line up
Shim for GTGN depends on the toolholder type.


ISO
STANDARD CUTTING CONDITIONS
Workpiece material Grade
Cutting speed Feed
H
Vc (m/min) f (mm/rev)

I
Steels


Endmill
S45C, SCM440 etc. SH730 50 - 150 0.05 - 0.1
C45, 42CrMo4, etc.
Stainless steels
SUS304, SUS316 etc. SH730 30 - 150 0.05 - 0.1
X5CrNi18-9, X5CrNiMo17-12-2, etc.
Heat-resistant alloys, Titanium alloys etc.
SH730 30 - 100 0.05 - 0.1

J
Ti-6Al-4V, etc. Drilling tool
User's Guide Tooling System


K
L
M
Index


Reference pages: Toolholders → F070

Tungaloy F071