Turning Triangular Positive Inserts
Indexable Insert
TP Triangular 11° Pos. With Hole TP ¢¢ 1.81.5 Dimensions (inch) Cutting Edge Length L .3780 Thickness S .0937 Inscribed Circle IC .2189 Hole Dia. D1 .1102
RE
IC
Grade Selection
A2, A3
Chipbreaker Selection B10 on Insert Grade Selection by Part Material
A10 on
S
L
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
B
L78 SUMIDIA (PCD) Inserts
M19
SUMIBORON (CBN) Inserts
Coated Cermet
Coated Carbide
Carbide
Cermet
E48
Applicable Internal Holders
Nose Radius
Application Range
Shape
Sumitomo Cat. No.
ISO Cat. No.
RE
EFB
TPMT1.81.50EFB TPMT090201N-FB .0039 F QQQQQ QQ TPMT1.81.50.5EFB TPMT090202N-FB .0078 QQQQQQQQQQQQQQQQQQQQQQQ ★★★ QQ Q TPMT1.81.51EFB TPMT090204N-FB .0156 QQQQQQQQQQQQQQQQQQQQQQQ ★★★ QQ Q Q
.08 （ a p ）
.04
（ f ）
0
20°
.008 .016
ELU
TPMT1.81.50.5ELU TPMT090202N-LU .0078 ★★★ TPMT1.81.51ELU TPMT090204N-LU .0156 ★●★
Q Q
Q ★★★★ Q ★★★★
Q Q
（ a p ）
F F
.08
.04
（ f ）
0
15°
.016 .008
C
(R/L)FX （ a p ） .08
TPGT1.81.51LFX TPGT090204L-FX
.0156 QQQQQQQQQQQQQQQQQQQQQQQ
★● QQ Q
.04
*1
（ f ）
0
15°
.016 .008
(R/L)FY
TPGT1.81.50RFY TPGT090201R-FY .0039 QQQQQQQQQQQQQQQ TPGT1.81.50LFY TPGT090201L-FY .0039 QQQQQQQQQQQQQQQ TPGT1.81.50.5RFY TPGT090202R-FY .0078 QQQQQQQQQQQQQQQ TPGT1.81.50.5LFY TPGT090202L-FY .0078 QQQQQQQQQQQQQQQ TPGT1.81.51RFY TPGT090204R-FY .0156 QQQQQQQQQQQQQQQ TPGT1.81.51LFY TPGT090204L-FY .0156 QQQQQQQQQQQQQQQ
★★ ★ QQQQ QQ ★★ ★ QQQQ QQ ★★ ★ QQQQ QQ
D
（ a p ）
.08
.04
★★ ★ ★
*1
★★ ★ QQQQ QQ ★★ ★ QQQQ QQ
R
（ f ）
0
.016 .008
15°
ELB
TPMT1.81.50.5ELB TPMT090202N-LB .0078 TPMT1.81.51ELB TPMT090204N-LB .0156
Q Q
Q ★★ Q ★★
Q Q
( a p )
★●★ ●★★ ★●★ ●★★
.08
.04
S
( f )
0
15°
.016 .008
ESU
TPMT1.81.50.5ESU TPMT090202N-SU .0078 TPMT1.81.51ESU TPMT090204N-SU .0156
Q
QQQQQ QQ QQQQQ QQ
（ a p ）
F F
F F
●● ●●
●
.08 .04 .12 .16
Q ★★●
T
（ f ）
0
8°
.008 .016 .024
TPEW1.81.51
TPEW090204
.0156 QQQQQQQQQQQQQQQQQQQQQQQ
QQ ● Q
Q
V
TPG1.81.51 TPG1.81.52
TPGN090204 TPGN090208
.0156 QQQQQQQQQQQQQQQQQQQQQQQ .0313 QQQQQQQQQQQQQQQQQQQQQQQ
QQ ★ QQ ★
Q
W
(R/L)AY
TPGT1.81.50RAY TPGT090201R-AY .0039 QQQQQQQQQQQQQQQQQQQQQQQ TPGT1.81.50LAY TPGT090201L-AY .0039 QQQQQQQQQQQQQQQQQQQQQQQ TPGT1.81.50.5RAY TPGT090202R-AY .0078 QQQQQQQQQQQQQQQQQQQQQQQ TPGT1.81.50.5LAY TPGT090202L-AY .0078 QQQQQQQQQQQQQQQQQQQQQQQ TPGT1.81.51RAY TPGT090204R-AY .0156 QQQQQQQQQQQQQQQQQQQQQQQ TPGT1.81.51LAY TPGT090204L-AY .0156 QQQQQQQQQQQQQQQQQQQQQQQ
QQ ★ QQ ★ QQ ★ QQ ★ QQ ★ QQ ★
0 .04 .08 .12 .16 （ a p ）
（ f ）
.008 .016 .024
*1
15°
*1: Photo shows left hand.
B109
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