Turning 80˚ Diamond Negative Inserts
Indexable Insert
CN 80° Diamond Neg. With Hole CN ¢¢ 64 Dimensions (inch) Cutting Edge Length L .7598 Thickness S .2500 Inscribed Circle IC .7500 Hole Dia. D1 .3126
RE
IC
Grade Selection
A2, A3
Chipbreaker Selection B10 on Insert Grade Selection by Part Material
A10 on
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
E12
Applicable External Holders
Applicable Internal Holders
Nose Radius
Application Range
Shape
Sumitomo Cat. No.
ISO Cat. No.
RE
EGZ
CNMG643EGZ CNMG190612N-GZ CNMG644EGZ CNMG190616N-GZ
Q Q
QQQQQ QQ QQQQQ QQ
( a p )
.0469 .0625
●★● ★★★
.40
.20
( f )
0
0 °
.020
.040
ENP
CNMM642ENP CNMM190608N-MP .0313
QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ QQQQQ QQ
Q ★★★ Q ★★★ Q ★★★ Q ★★★
( a p )
★★
★ ★
.40
CNMM643ENP CNMM190612N-MP .0469 ★★★★ CNMM644ENP CNMM190616N-MP .0625 ★★★★ CNMM646ENP CNMM190624N-MP .0938 ★★★★
.20
★★ ★★
FF
( f )
0 °
0
.020
.040
EHG
CNMM643EHG CNMM190612N-HG .0469 ★★●★ FFF CNMM644EHG CNMM190616N-HG .0625 ●★★★ FFF CNMM646EHG CNMM190624N-HG .0938 ★★★★ FF
Q Q Q Q Q Q Q Q Q
.40 ( a p )
C
.20
( f )
0
0 °
.020
.040
EHP
CNMM642EHP CNMM190608N-HP .0313 CNMM643EHP CNMM190612N-HP .0469 CNMM644EHP CNMM190616N-HP .0625 CNMM646EHP CNMM190624N-HP .0938
( a p ) .40
★★ ★★ ★★ ★★ ★★ ★★
D
.20
( f )
0
0 °
.020
.040
EHF
CNMM644EHF CNMM190616N-HF CNMM646EHF CNMM190624N-HF
.20 .40 .60 ( a p )
.0625 .0938
R
( f )
0
-15°
.020 .040 .060
: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended
: General Cutting 1st Recommended : General Cutting 2nd Recommended
: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended
S
P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
CN ¢¢ 85 Dimensions (inch)
Cutting Edge Length L 1.0157 Thickness S .3125 Inscribed Circle IC 1.0000 Hole Dia. D1 .3622
T
Coated Cermet
Coated Carbide
Carbide
Cermet
Nose Radius
Application Range
V
Shape
Sumitomo Cat. No.
ISO Cat. No.
RE
ENP
CNMM856ENP CNMM250724N-MP
Q
QQQQQ QQ
.0938
( a p )
★
.20 .40 .60
W
( f )
0
0 °
.020 .040 .060
B29
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