Sumitomo General Catalog 2025-2026

Turning Square Negative Inserts SN Square Neg. With Hole 90°

Indexable Insert

IC RE

Grade Selection

A2, A3

Chipbreaker Selection B10 on Insert Grade Selection by Part Material

A10 on

L

S

: 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

SN ¢¢ 106 ˜ Dimensions (inch)

Cutting Edge Length L 1.2500 Thickness S .3750 Inscribed Circle IC 1.2500 Hole Dia. D1 .3465

B

Coated Cermet

Coated Carbide

Carbide

Cermet

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

SNMM1066ENS SNMM310924N-MP .0938 ★★★

Q

QQQQQ QQ

ENS

( a p ) .20 .40 .60

( f )

0

.020 .040 .060

0 °

SNMM1066EHP SNMM310924N-HP

Q

QQQQQ QQ

EHP

.0938 ★★★

( a p ) .20 .40 .60

( f )

0

.020 .040 .060

C

0 °

SNMM1066EHU SNMM310924N-HU .0938 ★★★

Q

QQQQQ QQ

EHU

( a p )

.40 1.2 .80

( f )

0

D

.060 .020.040

-15°

SNMM1066EHW SNMM310924N-HW .0938 ★★★

Q

QQQQQ QQ

EHW

.80 .40 1.2 ( a p )

R

( f )

0

.020 .040 .060

-15°

SNMM1066EHF SNMM310924N-HF

Q

QQQQQ QQ

EHF

.0938

★★

( a p )

0 .40 1.2 .80

S

( f )

.060 .020.040

-15°

T

V

W

B49

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