Turning 80˚ Diamond Negative Inserts
Indexable Insert
RE
80° Diamond Neg. With Hole
CN
IC
Grade Selection
A2, A3
Chipbreaker Selection
B10 on
A10 on
Insert Grade Selection by Part Material
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 ¢¢ 64
Cutting Edge Length L .7598 Thickness S .2500 Inscribed Circle IC .7500 Hole Dia. D1 .3126
Dimensions (inch)
B
Coated Cermet
Coated Carbide
Carbide
C5
E12
Applicable External Holders
Applicable Internal Holders
Nose Radius
Application Range
Sumitomo Cat. No.
ISO Cat. No.
Shape
RE
DD «« F Q «« FF « Q
QQQQ Q QQQQ Q
CNMG643EGZ CNMG190612N-GZ CNMG644EGZ CNMG190616N-GZ
EGZ
( a p )
.0469
.40
.0625
.20
( f )
0
0 °
.020
.040
Q «« Q «« Q «« Q ««
QQQQ Q QQQQ Q QQQQ Q QQQQ Q QQQQ Q F QQQQ Q QQQQ Q QQQQ Q QQQQ Q QQQQ Q QQQQ Q QQQQ Q QQQQ Q
«« «« «
CNMM642ENP CNMM190608N-MP .0313
ENP
( a p )
.40
CNMM643ENP CNMM190612N-MP .0469 «««««««« CNMM644ENP CNMM190616N-MP .0625 ««««««««« CNMM646ENP CNMM190624N-MP .0938 ««««« D «««
.20
( f )
0
0 °
.020
.040
Q Q Q Q Q Q Q Q Q
.0469 « D «« DD .0625 D ««« DD .0938 ««««««
CNMM643EHG CNMM190612N-HG CNMM644EHG CNMM190616N-HG CNMM646EHG CNMM190624N-HG CNMM642EHP CNMM190608N-HP CNMM643EHP CNMM190612N-HP CNMM644EHP CNMM190616N-HP CNMM646EHP CNMM190624N-HP CNMM644EHF CNMM190616N-HF CNMM646EHF CNMM190624N-HF
EHG
.40 ( a p )
C
.20
( f )
0
0 °
.020
.040
«« «« «« «« «« «« «« «« «« «« «« ««
EHP
( a p )
.0313
.40
.0469
D
.20
.0625
( f )
.0938
0
0 °
.020
.040
EHF
.60 ( a p )
.0625
.0938
R
.40
.20
( 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
Cutting Edge Length L 1.0157 Thickness S .3125 Inscribed Circle IC 1.0000 Hole Dia. D1 .3622
Dimensions (inch)
T
Coated Cermet
Coated Carbide
Carbide
Nose Radius
Application Range
V
Sumitomo Cat. No.
ISO Cat. No.
Shape
RE
Q
QQQQ Q
« «
( a p )
CNMM856ENP CNMM250724N-MP .0938
ENP
.60
.40
W
.20
( f )
0
0 °
.020 .040 .060
B29
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