Sumitomo General Catalog 2025-2026

Turning Triangular Positive Inserts

Indexable Insert

TP Triangular 11° Pos. Without Hole TP ¢¢ 22 ˜ Dimensions (inch) Cutting Edge Length L .4331 Thickness S .1250 Inscribed Circle IC .2500

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

L88 SUMIDIA (PCD) Inserts

M22

SUMIBORON (CBN) Inserts

Coated Cermet

Coated Carbide

Carbide

Cermet

B133 Applicable Internal Holders

E49

Ceramic Inserts

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

TPG220.5

TPGN110302 .0078 QQQQQQQQQQQQQQQQQQQQQQQ

★● QQ ● Q

TPG221 TPG222

TPGN110304 .0156 Q ●● QQ F QQQQQQQQQ TPGN110308 .0313 Q ●● QQ F QQQQQQQQQ

★★

★● ★ ★● ★

Q

: 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

TP ¢¢ 32 ˜ Dimensions (inch)

C

Cutting Edge Length L .6496 Thickness S .1250 Inscribed Circle IC .3750

M22

L90 SUMIDIA (PCD) Inserts

SUMIBORON (CBN) Inserts

Coated Cermet

Coated Carbide

Carbide

Cermet

B133

Ceramic Inserts

D

C53 Applicable Internal Holders

E49

Applicable External Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

R

RE

EFK

TPMR321EFK TPMR160304N-FK .0156 QQQQQQQQQQQQQQQQQQQQQQQ ●★★● QQ Q TPMR322EFK TPMR160308N-FK .0313 QQQQQQQQQQQQQQQQQQQQQQQ ●★★● QQ Q TPMR323EFK TPMR160312N-FK .0469 QQQQQQQQQQQQQQQQQQQQQQQ ★ QQ Q

( a p )

.08

.04

S

( f )

0

0 °

.016 .008

R/L

TPGR320.5R TPGR160302R-W TPGR320.5L TPGR160302L-W TPGR321R TPGR160304R-W TPGR321L TPGR160304L-W TPGR322R TPGR160308R-W TPGR322L TPGR160308L-W

.0078 QQQQQQQQQQQQQQQQQQQQQQQ ★ ★ .0078 QQQQQQQQQQQQQQQQQQQQQQQ ★ ★ .0156 QQQQQQQQQQQQQQQQQQQQQQQ ★ ★ .0156 QQQQQQQQQQQQQQQQQQQQQQQ ★ ★ .0313 QQQQQQQQQQQQQQQQQQQQQQQ ★ ★ .0313 QQQQQQQQQQQQQQQQQQQQQQQ ★ ★

QQ Q QQ Q QQ Q QQ Q QQ Q QQ Q

( a p )

.08

.04

T

( f )

*1

0

.016 .008

ENF

TPMR321ENF TPMR160304N-SF .0156

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ

FF FF FF

( a p )

●●

.08 .04 .12 .16

TPMR322ENF TPMR160308N-SF .0313 ● ●●

V

TPMR323ENF TPMR160312N-SF .0469

●●

( f )

0

0 °

.008 .016 .024

EUJ

TPMR321EUJ TPMR160304N-UJ .0156 TPMR322EUJ TPMR160308N-UJ .0313

Q Q

QQQQQ QQ QQQQQ QQ

0 .08 .04 .12 .16 ( a p )

★★ ●★

W

( f )

0 °

.008 .016 .024

TPMN321 TPMN322 TPMN323

TPMN160304 TPMN160308 TPMN160312 TPGN160302 TPGN160304 TPGN160308 TPGN160312 TPGN160316

●★★ F Q ★●★ ●★★ F Q ★★★

QQQQQ QQ

.0156 .0313 .0469

●● ●●

Q

Q

★★

Q

★★★ F Q

QQQQQ QQ

TPG320.5

.0078 QQQQQQQQQQQQQQQQQQQQQQQ ● ★● QQ Q

TPG321 TPG322 TPG323 TPG324

.0156 Q ●● QQ F QQQQQQQQQ .0313 Q ●● QQ F QQQQQQQQQ .0469 Q ●● QQ F QQQQQQQQQ .0625 Q ●● QQ F QQQQQQQQQ

●● F ●● F

● ★● ★ ● ★● ★ QQQQ QQ QQQQ QQ

Q

*1: Photo shows left hand.

B116

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