Turning Triangular Positive Inserts
Indexable Insert
TP ¢¢ 21.5 Dimensions (inch) Cutting Edge Length L .4331 Thickness S .0937 Inscribed Circle IC .2500 Hole Dia. D1 .1102 TP Triangular 11° Pos. With Hole
Information in "Shape" column
RE
EFL
Name of Chipbreaker
.12
IC
Application Range
.08
Recommended Part Material
.04
Chipbreaker Rake Angle
0
.008 .016 .024
10 °
Feed Rate (f) (inch/rev)
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
L79 SUMIDIA (PCD) Inserts
M20
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
(R/L)FW
（ f ） TPGT21.50.5RFW TPGT110202R-FW .0078 QQQQQQQQQQQQQQQQQQQQQQQ ★ ★★ QQ Q TPGT21.50.5LFW TPGT110202L-FW .0078 QQQQQQQQQQQQQQQQQQQQQQQ ● ★● QQ Q TPGT21.51RFW TPGT110204R-FW .0156 QQQQQQQQQQQQQQQQQQQQQQQ ● ★★ QQ Q TPGT21.51LFW TPGT110204L-FW .0156 QQQQQQQQQQQQQQQQQQQQQQQ ● ★● QQ Q
.08 （ a p ）
.04
*1
0
15°
.016
.008
(R/L)FX
TPGT21.50.5RFX TPGT110202R-FX TPGT21.50.5LFX TPGT110202L-FX TPGT21.51RFX TPGT110204R-FX TPGT21.51LFX TPGT110204L-FX TPGT21.52RFX TPGT110208R-FX TPGT21.52LFX TPGT110208L-FX TPGT21.50.5RFY TPGT110202R-FY TPGT21.50.5LFY TPGT110202L-FY TPGT21.51RFY TPGT110204R-FY TPGT21.51LFY TPGT110204L-FY TPGT21.52LFY TPGT110208L-FY
.0078 QQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQ .0313 QQQQQQQQQQQQQQQ .0313 QQQQQQQQQQQQQQQ
QQQQ Q QQQQ Q QQQQ Q QQQQ Q QQQQ Q QQQQ Q
●★ F ●★ F ●★ F ●● F
（ a p ）
.08
.04
C
*1
（ f ）
●★
0
.016
.008
15°
●★ F
(R/L)FY
.0078 QQQQQQQQQQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ .0313 QQQQQQQQQQQQQQQQQQQQQQQ
★★ QQ Q ★★ QQ Q ★★ QQ Q ★★ QQ Q
（ a p ）
.08
D
.04
（ f ）
0
.016
.008
● QQ Q
15°
ESU
TPMT21.50.5ESU TPMT110202N-SU .0078 ●●● TPMT21.51ESU TPMT110204N-SU .0156 ●●● TPMT21.52ESU TPMT110208N-SU .0313 ●●●
Q ●●● FF Q ●●● FF Q ●●● FF
QQQQQ QQ QQQQQ QQ QQQQQ QQ
（ a p ）
FF
.08 .04 .12 .16
R
F F
（ f ）
0
8°
.008 .016 .024
TPEW21.51
TPEW110204
.0156 QQQQQQQQQQQQQQQQQQQQQQQ
QQ ●
S
Q
(R/L)AY
TPGT21.50.5RAY TPGT110202R-AY TPGT21.50.5LAY TPGT110202L-AY TPGT21.51RAY TPGT110204R-AY TPGT21.51LAY TPGT110204L-AY
.0078 QQQQQQQQQQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ
QQ ★ QQ ★ QQ ★ QQ ★
0 .04 .08 .12 .16 ( a p )
T
( f )
*1
15°
.008 .016 .024
*1: Photo shows left hand.
V
W
B110
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