S Square Standard Cutting Edge Specification (Refer to L26 to L27 for details on symbols.)

BNX10 BNX20 BNX25 BN1000BN350BN2010 BNC100 BNC200 BNC500 BN500BN7000 BN7500 BNS800
BN2000BN2020 BNC160 BNC300BN700

Negative T01225 T02020

T01225 S01225 S01725 S01225S01225 S01225 S01225 S01215 T01215 T01215 T01215Q
PositiveT01235
: 1st Choice: 1st Choice: 1st Choice
Legend: Continuous Cut:Medium Cut:Interrupted Cut:
2nd Choice2nd Choice2nd Choice
SN¢A1204˜˜Applicable holder ref. page, (Example)K cast iron
S exotic alloy
Applicable External HoldersC16 to C21H hardened steel
Applicable Internal HoldersE53, 54ecommended Application sintered component

I.C.: ø12.7 Thickness: 4.76 Hole: ø5.16 CBN L Dimensions (mm)

  • One-use Type/Negative (With Hole)
AppearanceCutting EdgeCat. No.Old Cat. No.
Specifi cationNose R

NU-SNMA 120404 0.4 2.5 Q D D DDD DDD QQQ

120408 Q DQDDDD DDD DDD QQQ

1 1 0.8 2.3

120412DQDDDD DDD DDDQQQ
1.2 2.1
Standard
T-NU-SNMA 120404Q DQQQ
C 0.4 2.5
120408QD Q D DQQQ
10 1 0.8 2.3
120412D Q D DQQQ

1.2 2.1 *Depth-of-cut for one-use type is 0.5mm or less

  • Multi-cornered,One-use Type/Negative (With Hole)

D

2NU-SNGA 120404D QDDDDQQQ
0.42.5
120408QD Q D DDDD DDDQQQ

1 2 0.8 2.3

120412 D Q D D DDD QQQ

R1.22.1
Standard
T-2NU-SNGA 120404D QDQQQ
0.42.5
120408QD QDQQQ

10 2 0.8 2.3

120412D QDQQQ
1.22.1
S
2NU-SNGA 1120404LTQ Q Q Q D Q Q QQQ QQQ Q QQQ
0.42.5

T01215 1120408LT Q Q Q Q Q D Q Q QQQ QQQ Q QQQ

1 2 0.8 2.3

1120412LT Q Q Q Q D Q Q QQQ QQQ Q QQQ 1.2 2.1 Sharper edge T *Depth-of-cut for one-use type is 0.5mm or less

V

W

SUMIBORON Application Range Map

Ⓐ Uncoated SUMIBORON Ⓑ Coated SUMIBORON

300300BNC100
BN1000
BNC160
BNC2010
200200BNC200

BN2000 BNX25 BNC2020

BNX20 120 100 100