SCI 21-22 General Catalog

Turning 80˚ Diamond Negative Inserts

Indexable Insert

RE

Information in "Shape" column

80° Diamond Neg. With Hole

CN

IC

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)

S

80°

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

CN ¢¢ 86 ˜

Cutting Edge Length L 1.0157 Thickness S .3750 Inscribed Circle IC 1.0000 Hole Dia. D1 .3622

Dimensions (inch)

B

Coated Cermet

Coated Carbide

Carbide

C5

Applicable External Holders

Nose Radius

Application Range

Sumitomo Cat. No.

ISO Cat. No.

Shape

RE

Q ««

QQQQ Q

.0938 DD « D « D

CNMG866EMU CNMG250924N-MU

EMU

( a p )

.24

.16

.08

( f )

0

.008 .016 .024

Q « D D

QQQQ Q

DD

.0938 «««

CNMG866EEM CNMG250924N-EM

EEM

.40 ( a p )

.20

( f )

0

0 °

.020

.040

Q

QQQQ Q

.0938 DD « DD «

DD

C

CNMG866EME CNMG250924N-ME

EME

( a p )

.32

.24

.16

.08

( f )

0

.016

.032

Q

QQQQ Q

« «

CNMM866ENP CNMM250924N-MP .0938

ENP

.60 ( a p )

D

.40

.20

( f )

0

0 °

.020 .040 .060

R

Q Q

QQQQ Q QQQQ Q

«« «« «« ««

CNMM866EHF CNMM250924N-HF CNMM868EHF CNMM250932N-HF

EHF

.0938

( a p )

.60

.1250

.40

.20

( f )

0

.020 .040 .060

-15°

S

T

V

W

B30

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