
Negative C : Continuous cutting
L : Light interrupted cutting
Inse r t POSITIVE TYPE H : Heavy interrupted cutting
P Steel CL CL CL
EP M Stainless CL CL CL RE S
Positive
K Cast iron
Rhombic, 75°
D1
N Non-
11°
with hole ferrous
S Superalloy CL IC
Positive 11° Hard
H material
Coated Dimension (mm)
Application
SH730
Chipbreaker
SH725
Designation
J740
RE IC S D1
JS EPGT03X101-JS 䖃 <0.1 3.57 1.39 1.9
For internal turning on For internal turning on
EPGT03X102-JS 䖃 <0.2 3.57 1.39 1.9
PCD / CBN
Swiss lathes
EPGT03X104-JS 䖃 <0.4 3.57 1.39 1.9
EPGT040101-JS 䖃 <0.1 3.97 1.59 2.3
EPGT040102-JS 䖃 <0.2 3.97 1.59 2.3
EPGT040104-JS 䖃 <0.4 3.97 1.59 2.3
10º
EPGT03X101F-JS <0.1 3.57 1.39 1.9
Swiss lathes (sharp edge)
JS 䖃
EPGT03X102F-JS 䖃 <0.2 3.57 1.39 1.9
EPGT03X104F-JS 䖃 <0.4 3.57 1.39 1.9
EPGT040101F-JS 䖃 <0.1 3.97 1.59 2.3
EPGT040102F-JS 䖃 <0.2 3.97 1.59 2.3
EPGT040104F-JS 䖃 <0.4 3.97 1.59 2.3
10º
C
J08 EPGT040100L-J08 䖃 䖃 0.03 3.97 1.59 2.3
EPGT040102L-J08 䖃 䖃 0.2 3.97 1.59 2.3
Finishing
D EPGT040104L-J08 䖃 䖃 0.4 3.97 1.59 2.3
G
15º
R J08 EPGT040100FL-J08 䖃 0.03 3.97 1.59 2.3
EPGT040102FL-J08 0.2 3.97 1.59 2.3
(sharp edge)
䖃
Finishing
EPGT040104FL-J08 䖃 0.4 3.97 1.59 2.3
S
15º
T
*Corner radius (RE) with a sign of inequality (<) means minus tolerance. 䖃㻌: Line up
V
W
Y
OTHERS
Reference pages: Internal toolholder → D033 - Boring bar tool → K211 -
Top-borer tool → K213
B128 www.tungaloy.com