SUMIBORON CBN Insert
Indexable Insert
S Square
: 1st Recommended : 2nd Recommended
: 1st Recommended : 2nd Recommended
: 1st Recommended : 2nd Recommended
(Legend) Continuous Cutting
General Cutting
Interrupted Cutting
K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components
SN ¢ A43 Uncoated Dimensions (inch) Inscribed Circle .5000 Hole Dia. Thickness .1875
Recommended Application
.2031
L
C14 to C19
E20 to E22
Applicable External Holders
Applicable Internal Holders
Uncoated CBN
Multi-Cornered / Negative (With Hole)
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
2MDSNMA431
2MD-SNMA120404
.0156 .1378
F
Standard
1 2
Negative (With Hole)
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
SNMA432 SNMA433
SNMA120408 SNMA120412
.0313 .1850 .0469 .1811
D D
C
Standard
1 1
Solid / Negative (With Hole)
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
D
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
SNGA432 SNGA433
SNGA120408 SNGA120412
.0313 .5000 .0469 .5000
R
Standard
1 Solid
D
: 1st Recommended : 2nd Recommended
: 1st Recommended : 2nd Recommended
: 1st Recommended : 2nd Recommended
(Legend) Continuous Cutting
General Cutting
Interrupted Cutting
K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components
SNGA43 Coated Dimensions (inch) Thickness .1875
Recommended Application
S
Inscribed Circle .5000 Hole Dia.
.2031
C14 to C19
E20 to E22
Applicable External Holders
Applicable Internal Holders
Coated CBN
T
Multi-Cornered Single-Use / Negative (With Hole)
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
V
2NCSNGA432 2NCSNGA433
2NC-SNGA120408 2NC-SNGA120412
.0313 .0906 .0469 .0827
D D D D
D D
Standard
1 2
W
4NCSNGA431 4NCSNGA432 4NCSNGA433
4NC-SNGA120404 4NC-SNGA120408 4NC-SNGA120412
.0156 .0984 .0313 .0906 .0469 .0827
Standard
1 4
CBN Application Range Map
(C) Gray Cast Iron
(D) Ductile Cast Iron
(E) General Powdered Metal (F) High-density Powdered Metal
(G) Titanium Alloy
2,000
500
300
300
300
1,500
400
200
200
200
BNC500
BN7000
1,000
300
BN7500
BN7500
NCB100
BNS800
BN7000
100
100
100
( m/min ) v c
200
500
BN7000
BN500
( m/min ) v c
BN7000
( m/min ) v c
( m/min ) v c
( m/min ) v c
0
0.05 0.10 0.15 0.20 Feed Rate f (mm/rev)
0 0.1 0.3 0.5
0 1.0 2.0 3.0 4.0
Depth of Cut a p ( mm ) Feed Rate f ( mm / rev )
Depth of Cut a p ( mm ) Feed Rate f ( mm / rev )
0 0.1
0.15 0.05 0.1 0.2 0.25 0.3 0.2 0.3 0.4 0.5
0 0.1
0.05 0.1 0.15 0.2 0.25 0.3 0.2 0.3 0.4 0.5
Depth of Cut a p (mm)
Depth of Cut a p (mm)
L63
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