Turning 80˚ Diamond Negative Inserts
Indexable Insert
CN 80° Diamond Neg. With Hole CN ¢¢ 86 Dimensions (inch) Cutting Edge Length L 1.0157 Thickness S .3750 Inscribed Circle IC 1.0000 Hole Dia. D1 .3622
RE
Information in "Shape" column
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
B
Coated Cermet
Coated Carbide
Carbide
Cermet
C5
Applicable External Holders
Nose Radius
Application Range
Shape
Sumitomo Cat. No.
ISO Cat. No.
RE
EMU
CNMG866EMU CNMG250924N-MU .0938 ●★●★
Q ★★★
QQQQQ QQ
FF
( a p )
.08 .16 .24
( f )
0
.008 .016 .024
4°
EEM
CNMG866EEM CNMG250924N-EM .0938 ★★★★
Q ★★●
QQQQQ QQ
F
●●
.40 ( a p )
.20
( f )
0
0 °
.020
.040
EME
CNMG866EME CNMG250924N-ME .0938 ●★●★ FFF
C
Q
QQQQQ QQ
( a p )
★★●
.16 .32 .24 .08
( f )
0
4°
.016
.032
ENP
CNMM866ENP CNMM250924N-MP .0938
Q
QQQQQ QQ
★
.20 .40 .60 ( a p )
D
( f )
0
0 °
.020 .040 .060
R
EHF
CNMM866EHF CNMM250924N-HF CNMM868EHF CNMM250932N-HF
Q Q
QQQQQ QQ QQQQQ QQ
FF
.0938 .1250
★★ ★★
( a p )
.20 .40 .60
( f )
0
.020 .040 .060
-15°
S
T
V
W
B30
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