SUMIBORON CBN Insert
Indexable Insert
T Triangular
L28 , L29
Standard Edge Specification Details
BN1000 BN2000 BN250
BN7000 BN700 BN600
BN350 BN300 T01225 T01235
BNC2010 BNC2020
BNC100 BNC160
BNC200 BNC300
BNX10 BNX20 BNX25
BNC500 BN500
BN7500 BNS800 NCB100
T02020
Neg. Pos.
T01225 S01225 S01725 S01225
S01225 S01225 S01225 S01215 T01215 T01215 T01215
T01215
-
: 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
TN ¢¢ 33 Uncoated Dimensions (inch) Inscribed Circle .3750 Hole Dia. Thickness .1875
Recommended Application
.1500
L
C20 to C26
E23 to E25
Applicable External Holders
Applicable Internal Holders
Uncoated CBN
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.
NUTNMA330 NUTNMA330.5 NUTNMA331 NUTNMA332 NUTNMA333 T-NUTNMA331 T-NUTNMA332
NU-TNMA160401 NU-TNMA160402 NU-TNMA160404 NU-TNMA160408 NU-TNMA160412 T-NU-TNMA160404 T-NU-TNMA160408
.0039 .0984 .0078 .0945
D
.0156 .0906 D D F
1 1
.0313 .0787 D D F D
Standard
.0469 .0787 D D
.0156 .0906 .0313 .0787
10 1
*Depth of cut for single-use types is 0.0197 inch or less.
C
D
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.
R
3NUTNGA331 3NUTNGA332 3NUTNGA333 T-3NUTNGA331 T-3NUTNGA332 T-3NUTNGA333
3NU-TNGA160404 3NU-TNGA160408 3NU-TNGA160412 T-3NU-TNGA160404 T-3NU-TNGA160408 T-3NU-TNGA160412
.0156 .0906 D F D D D F .0313 .0787 D D F D D D F
1 3
.0469 .0787 D D D
D F
Standard
.0156 .0906 .0313 .0787 .0469 .0787
F
S
10 3
*Depth of cut for single-use types is 0.0197 inch or less.
T
V
W
CBN Application Range Map
(A) Uncoated CBN
(B) Coated CBN
300
300
BNC100
BN1000
BNC160
BNC2010
200
200
BNC200
BN2000
BNX25
BNC2020
BNX20
120 100
100
BN350
( m/min ) v c
( m/min ) v c
BNC300
0
0
L68
Continuous
Interrupted
Heavy Interrupted
Continuous
Interrupted
Heavy Interrupted
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