Sumitomo General Catalog 2025-2026

Turning Triangular Positive Inserts TC Triangular 7° Pos. With Hole 60°

Indexable Insert

RE

Information in "Shape" column

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

: 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

TC ¢¢ 32.5 ˜ Dimensions (inch)

Cutting Edge Length L .6496 Thickness S .1563 Inscribed Circle IC .3750 Hole Dia. D1 .1693

B

Coated Cermet

L76

SUMIBORON (CBN) Inserts Applicable External Holders

Coated Carbide

Carbide

Cermet

E47

C39, D32 Applicable Internal Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

EFP

TCMT32.51EFP TCMT16T304N-FP .0156 QQQQQQQQQQQQQQQQQQQQQQQ TCMT32.52EFP TCMT16T308N-FP .0313 QQQQQQQQQQQQQQQQQQQQQQQ

★ QQ Q ● QQ Q

(ap)

.08

.04

(f)

0

.016 .008

10°

ESU

TCMT32.51ESU TCMT16T304N-SU .0156 ●●●● FF

Q ●●● FF

QQQQQ QQ QQQQQ QQ

●●● F

(ap)

●● ●●

.08 .04 .12 .16

TCMT32.52ESU TCMT16T308N-SU .0313 ●●●● FFF ●●● F

Q ●●●

F

(f)

0

.008 .016 .024

ENK

TCMT32.51ENK TCMT16T304N-SK .0156 ● ●●

Q Q Q

QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ

FF

( a p )

0 .08 .16 .24

C

TCMT32.52ENK TCMT16T308N-SK .0313 ● ●● FFF

TCMT32.53ENK TCMT16T312N-SK .0469

( f )

.008 .016 .024

TCMW16T304 TCMW16T308 TCMW16T312

TCMA32.51 TCMA32.52 TCMA32.53

★●★ F Q ★●● F Q ●★★ F Q

.0156 .0313 .0469

Q

D

R

S

T

V

W

B106

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