C 80° Diamond Type 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
CN¢¢1204˜˜Applicable holder ref. page, (Example)K cast iron
S exotic alloy
Applicable External HoldersC7, 8H hardened steel
Applicable Internal HoldersE23 to E25ecommended Applicationsintered component

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

  • Multi-cornered,One-use Type/Negative (With Hole)
AppearanceCutting EdgeCat. No.Old Cat. No.
Specifi cationNose R
BN2000 → S012352NU-CNGA 120404HS2NU-CNGA 120404TQQQQDQQ DDD DDDQQQ
0.4 2.5
BN7000 → S01225
120408HS120408TQQQQDQQ DDD DDDQQQ
BN700 → S01225120.8 2.4
BN7500→ S00525 120412HS120412T1.2 2.3 QQQQDQQ DDDQQQ

C Stronger edge Depth-of-cut for one-use type is 0.5mm or less

  • Negative Type (With Hole)
CNMA 120404D D DQQQ
0.4 4.6

D Standard 120408 Q D D D DDD DDD QQQ

1 1 0.8 4.5

120412 D D D DDD DDD QQQ

1.2 4.4

  • Solid Type/Negative (With Hole)

R

CNGA 120408 QQQQQQQ QQQ QQQ Q DDD

0.8 12.9

Standard 120412 Q QQQQQQQ QQQ QQQ Q DDD

1 1.2 12.9 S

T

V

W

SUMIBORON Application Range Map

Ⓐ Uncoated SUMIBORON Ⓑ Coated SUMIBORON

300300BNC100
BN1000
BNC160
BNC2010
200200BNC200

BN2000 BNX25 BNC2020

BNX20 120 100 100