Turning Square Negative Inserts SN Square Neg. With Hole 90°
Indexable Insert
IC RE
Grade Selection
A2, A3
Chipbreaker Selection B10 on Insert Grade Selection by Part Material
A10 on
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 ¢¢ 64 Dimensions (inch)
Cutting Edge Length L .7500 Thickness S .2500 Inscribed Circle IC .7500 Hole Dia. D1 .3126
B
Coated Cermet
Coated Carbide
Carbide
Cermet
C14
E21
Applicable External Holders
Applicable Internal Holders
Nose Radius
Application Range
Shape
Sumitomo Cat. No.
ISO Cat. No.
RE
SNMM643EHG SNMM190612N-HG .0469 ★★★● SNMM644EHG SNMM190616N-HG .0625 ★★★●
Q Q Q
QQQQQ QQ QQQQQ QQ QQQQQ QQ
EHG
FF FF
( a p )
.40
SNMM646EHG SNMM190624N-HG .0938 ★★●★ F
.20
( f )
0
.020
.040
0 °
SNMM643EHP SNMM190612N-HP SNMM644EHP SNMM190616N-HP
Q Q
QQQQQ QQ QQQQQ QQ
EHP
FF FF
.0469 .0625
★★ ★★
( a p ) .40
.20
( f )
0
C
.020
.040
0 °
SNMM644EHF SNMM190616N-HF SNMM646EHF SNMM190624N-HF
Q Q
QQQQQ QQ QQQQQ QQ
EHF
.0625 .0938
★★ ★★
( a p ) .20 .40 .60
D
( f )
0
.020 .040 .060
-15°
: 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
R
SN ¢¢ 85 Dimensions (inch)
Cutting Edge Length L 1.000 Thickness S .3125 Inscribed Circle IC 1.000 Hole Dia. D1 .3622
S
Coated Cermet
Coated Carbide
Carbide
Cermet
C15
Applicable External Holders
Nose Radius
Application Range
Shape
Sumitomo Cat. No.
ISO Cat. No.
T
RE
ENP
SNMM856ENP SNMM250724N-MP .0938 ★★★★
Q
QQQQQ QQ
FF
( a p )
.20 .40 .60
V
( f )
0
0 °
.020 .040 .060
EHP
SNMM856EHP SNMM250724N-HP
Q
QQQQQ QQ
FF
( a p )
.0938 ★★★★
★
.20 .40 .60
0 °
W
( f )
0
.020 .040 .060
EHU
SNMM856EHU SNMM250724N-HU .0938 ★★★
Q
QQQQQ QQ
( a p )
.20 .40 .60
( f )
0
-15°
.020 .040 .060
EHW
SNMM856EHW SNMM250724N-HW .0938 ★★★
Q
QQQQQ QQ
( a p )
.20 .40 .60
( f )
0
-15°
.020 .040 .060
EHF
SNMM856EHF SNMM250724N-HF SNMM858EHF SNMM250732N-HF
Q Q
QQQQQ QQ QQQQQ QQ
.20 .40 .60 ( a p )
.0938 .1250
★★ ★★
( f )
0
-15°
.020 .040 .060
B47
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