Sumitomo General Catalog 2025-2026

Turning Triangular Positive Inserts

Indexable Insert

RE

TC Triangular 7° Pos. With Hole TC ¢¢ 21.5 ˜ Dimensions (inch) Cutting Edge Length L .4331 Thickness S .0937 Inscribed Circle IC .2500 Hole Dia. D1 .1102

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

L75 SUMIDIA (PCD) Inserts

M18

SUMIBORON (CBN) Inserts

Coated Cermet

Coated Carbide

Carbide

Cermet

C39, D32 Applicable Internal Holders

E47

Applicable External Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

TCMA21.51 TCMA21.52

TCMW110204 TCMW110208

★★● F Q ★★★ F Q

QQQQQ QQ QQQQQ QQ

.0156 .0313

Q

*1: Photo shows left hand. Values for nose radius RE prefixed with "<" indicate negative tolerances.

: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended

: General Cutting 1st Recommended : General Cutting 2nd Recommended

: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended

C

P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel

TC ¢¢ 22 ˜ Dimensions (inch)

Cutting Edge Length L .4331 Thickness S .1250 Inscribed Circle IC .2500 Hole Dia. D1 .1102

D

Coated Cermet

Coated Carbide

Carbide

Cermet

Nose Radius

Application Range

R

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

TCGT221LFX

TCGT110304L-FX .0156 QQQQQQQQQQQQQQQQQQQQQQQ

★ QQ Q

(R/L)FX (ap) .08

.04

S

(f)

0

*1

.016 .008

15°

TCGT220MEFM TCGT110301MN-SC < .0039 QQQQQQQQQQQQQQQQQQQQQQQ TCGT220.5MEFM TCGT110302MN-SC < .0078 QQQQQQQQQQQQQQQQQQQQQQQ

★★ QQ Q ★★ QQ Q

(M)EFM (ap)

.08 .04 .12 .16

T

0

(f)

.008 .016 .024

Values for nose radius RE prefixed with "<" indicate negative tolerances. *1: Photo shows left hand.

V

W

B105

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