Turning Triangular Negative Inserts
Indexable Insert
RE
Triangular Neg. With Hole
TN
IC
Grade Selection
A2, A3
Chipbreaker Selection
B10 on
A10 on
Insert Grade Selection by Part Material
L
s
60°
: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended
: General Cutting 1st Recommended : General Cutting 2nd Recommended
: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended
P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
TN ¢¢ 21.75
Cutting Edge Length L .4331 Thickness S .1094 Inscribed Circle IC .2500 Hole Dia. D1 .1087
Dimensions (inch)
B
Coated Cermet
Coated Carbide
Carbide
Nose Radius
Application Range
Sumitomo Cat. No.
ISO Cat. No.
Shape
RE
.0156 QQQQQQQQQQQQQQQQQQQQQQQQQQQQQ «
TNGG21.751L TNGG11T204L-GX
( a p )
(R/L)GX
.08
.04
*1
( f )
0
15°
.016
.008
*1: Photo shows left hand.
: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended
: General Cutting 1st Recommended : General Cutting 2nd Recommended
: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended
P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
TN ¢¢ 2.52
C
Cutting Edge Length L .5394 Thickness S .1250 Inscribed Circle IC .3126 Hole Dia. D1 .1240
Dimensions (inch)
Coated Cermet
Coated Carbide
Carbide
D
Nose Radius
Application Range
Sumitomo Cat. No.
ISO Cat. No.
Shape
RE
.0156 QQQQQQQQQQQQQQQQQQQQ QQQQQ « QQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQQQQ « QQ « .0313 QQQQQQQQQQQQQQQQQQQQ QQQQQ « QQQ .0313 QQQQQQQQQQQQQQQQQQQQQQQQQQ « QQ «
( a p )
TNGG2.521R TNGG130304R-GX TNGG2.521L TNGG130304L-GX TNGG2.522R TNGG130308R-GX TNGG2.522L TNGG130308L-GX
(R/L)GX
R
.08
.04
*1
( f )
0
15°
.016
.008
*1: Photo shows left hand.
S
: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended
: General Cutting 1st Recommended : General Cutting 2nd Recommended
: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended
P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
TN ¢¢ 32
T
Cutting Edge Length L .6496 Thickness S .1250 Inscribed Circle IC .3750 Hole Dia. D1 .1500
Dimensions (inch)
Coated Cermet
Coated Carbide
Carbide
C20
Applicable External Holders
Nose Radius
V
Application Range
Sumitomo Cat. No.
ISO Cat. No.
Shape
RE
.0078 QQQQQQQQQQQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQQ .0313 QQQQQQQQQQQQQQQQQQQQQQQQ .0313 QQQQQQQQQQQQQQQQQQQQQQQQ
« QQ « QQ D QQ D QQ D QQ « QQ
TNPR320.5T TNGG160302R-ST TNPL320.5T TNGG160302L-ST TNPR321T TNGG160304R-ST TNPL321T TNGG160304L-ST TNPR322T TNGG160308R-ST TNPL322T TNGG160308L-ST TNMG321ESX TNMG160304N-SX TNMG322ESX TNMG160308N-SX
(R/L)T
W
( a p )
.08
.04
*1
( f )
0
.016
.008
0 °
Q Q
QQQQ Q QQQQ Q
.0156 « DD DD .0313 « DD DD
( a p )
ESX
.08
.04
( f )
0
3°
.008
.016
*1: Photo shows left hand.
B55
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