Sumitomo General Catalog 2025-2026

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

Indexable Insert

IC RE

Information in "Shape" column

EFL

Name of Chipbreaker

.12

Application Range

.08

Recommended Part Material

.04

Chipbreaker Rake Angle

0

.008 .016 .024

10 °

Feed Rate (f) (inch/rev)

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 ¢¢ 86 ˜ Dimensions (inch)

Cutting Edge Length L 1.000 Thickness S .3750 Inscribed Circle IC 1.000 Hole Dia. D1 .3622

B

Coated Cermet

Coated Carbide

Carbide

Cermet

C15

Applicable External Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

SNMG866ENG SNMG250924N-UG

Q

QQQQQ QQ

ENG

FF

.0938

●★

( a p )

0 .08 .16 .24

( f )

.008 .016 .024

SNMG866EMU SNMG250924N-MU .0938 ★●●● FFF

Q ★★★

QQQQQ QQ

EMU

( a p )

.08 .16 .24

( f )

0

C

.008 .016 .024

SNMG866EEM SNMG250924N-EM

Q ★★●

QQQQQ QQ

EEM

F

.0938 ★★★●

●●

.40 ( a p )

.20

D

( f )

0

.020

.040

0 °

SNMG866EME SNMG250924N-ME

Q

QQQQQ QQ

EME

.0938 ★★●★ FFF

★●★

( a p )

.16 .32 .24 .08

R

( f )

0

.016

.032

SNMG866ENZ SNMG250924N-UZ

Q

QQQQQ QQ

ENZ

F

.0938

( a p )

.08 .16 .24

S

( f )

0

.008 .016 .024

SNMM866ENP SNMM250924N-MP .0938 ★★★

Q

QQQQQ QQ

ENP

F

( a p )

.20 .40 .60

T

( f )

0

.020 .040 .060

0 °

SNMM866EHP SNMM250924N-HP

Q

QQQQQ QQ

EHP

F

.0938 ★★★

V

( a p )

.20 .40 .60

( f )

0

.020 .040 .060

0 °

W

SNMM866EHU SNMM250924N-HU .0938 ★★★

Q

QQQQQ QQ

EHU

( a p )

.20 .40 .60

( f )

0

.020 .040 .060

-15°

SNMM866EHW SNMM250924N-HW .0938 ★★★

Q

QQQQQ QQ

EHW

( a p )

.20 .40 .60

( f )

0

.020 .040 .060

-15°

SNMM866EHF SNMM250924N-HF SNMM868EHF SNMM250932N-HF

Q Q

QQQQQ QQ QQQQQ QQ

EHF

.0938 .1250

★★ ★★

.20 .40 .60 ( a p )

( f )

0

.020 .040 .060

-15°

B48

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