Sumitomo General Catalog 2025-2026

Turning 80˚ Diamond Positive Inserts

Indexable Insert

RE

CC 80° Diamond 7° Pos. With Hole CC ¢¢ 21.5 ˜ Dimensions (inch) Cutting Edge Length L .2520 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

S

L

A10 on

80°

: 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

L37

M11

M27

SUMIBORON (CBN) Inserts

SUMIDIA (PCD) Inserts

SUMIDIA Binderless Inserts

Coated Cermet

Coated Carbide

Carbide

Cermet

E30

Applicable Internal Holders

C34 , D23, D27

Applicable External Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

ELB

CCMT21.50.5ELB CCMT060202N-LB CCMT21.51ELB CCMT060204N-LB CCMT21.52ELB CCMT060208N-LB CCMT21.50.5ESU CCMT060202N-SU CCMT21.51ESU CCMT060204N-SU CCMT21.52ESU CCMT060208N-SU

Q Q Q

Q ★★ Q ★★ Q ★★

Q Q Q Q Q Q

.0078 .0156 .0313

●●● ★★★ ●●● ●★★ ●●● ●★★

( a p )

.08

.04

( f )

0

.016 .008

15°

Q ●●● FF

Q ●●★●

FF ●●★ F

ESU

.0079 ★●●●

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

Q ●●● FF ● Q ●●★● Q ●●● FFF Q ●★★●

.0156 ●●●● FFF ●●● F

●●

.0313 ●●●● FFF ●●● F ●●●

C

( f )

.008 .016 .024

CCGT060201MN-SI

CCGT21.50MESI

.0039 QQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQ

●● ● QQQQ QQ ●● ● QQQQ QQ ●● ● QQQQ QQ

(M)ESI

(ap)

0 .08 .04 .12 .16

CCGT21.50.5MESI CCGT060202MN-SI

CCGT21.51MESI

CCGT060204MN-SI

D

(f)

.008 .016 .024

15°

(M)ESL

CCGT21.50MESL CCGT060201MN-SL .0039 QQQQQQQQQQQQQQQ CCGT21.50.5MESL CCGT060202MN-SL .0078 QQQQQQQQQQQQQQQ

★★ ★ QQQQ QQ ★★ ★ QQQQ QQ

(ap)

0 .08 .04 .12 .16

R

(f)

.008 .016 .024

15°

ENK

CCMT21.51ENK CCMT060204N-SK CCMT21.52ENK CCMT060208N-SK

Q Q

QQQQQ QQ QQQQQ QQ

FF FF

.0156 ● ●● .0313 ● ●●

( a p )

0 .08 .16 .24

S

( f )

.008 .016 .024

EFM

CCMT21.51EFM CCMT060204N-SC

Q

QQQQQ QQ

F

.0156

( a p )

.08 .04 .12 .16

T

( f )

0

.008 .016 .024

(M)EFM

CCGT21.5.001EFM CCGT0602003N-SC

.0012 QQQQQQQQQQQQQQQ

●● ★★

CCGT21.50MEFM CCGT060201MN-SC < .0039 QQQQQQQQQQQQQQQ

( a p )

●●★★●

.08 .04 .12 .16

CCGT21.50EFM CCGT060201N-SC

.0039 QQQQQQQQQQQQQQQ

★ QQQQQ QQ

V

CCGT21.50.5MEFM CCGT060202MN-SC < .0078 QQQQQQQQQQQQQQQ

●●★★●

CCGT21.50.5EFM CCGT060202N-SC

.0078 QQQQQQQQQQQQQQQ

● QQQQQ QQ

( f )

0

.008 .016 .024

CCGT21.51MEFM CCGT060204MN-SC < .0156 QQQQQQQQQQQQQQQ

★★

CCMT21.51EGU CCMT060204N-GU CCMT21.52EGU CCMT060208N-GU

Q ●●● Q ●●●

Q ●★ ★ Q ★★ ★

Q Q

EGU

.0156 ●●●● ●●● ●● .0313 ●●●● ●●● ●

.12 ( a p )

W

.08

.04

( f )

.004

.008

.012 .016

CCMA21.51

CCMW060204

★●★ F Q

QQQQQ QQ

.0156

Q

CCGT21.50.5NAG CCGT060202N-AG CCGT21.51NAG CCGT060204N-AG

.0078 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ

QQ ★● QQ ●●

NAG

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

( f )

0

20°

.008 .016 .024

*1

(R/L)AY

CCGT21.50RAY CCGT21.50LAY

CCGT060201R-AY CCGT060201L-AY

.0039 QQQQQQQQQQQQQQQQQQQQQQQ .0039 QQQQQQQQQQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ

QQ ★ QQ ★ QQ ★ QQ ★ QQ ★ QQ ★

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

CCGT21.50.5RAY CCGT060202R-AY CCGT21.50.5LAY CCGT060202L-AY

CCGT21.51RAY CCGT21.51LAY

CCGT060204R-AY CCGT060204L-AY

( f )

.008 .016 .024

B73

15°

*1: Photo shows left hand.

Values for nose radius RE prefixed with "<" indicate negative tolerances.

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