T Triangular 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
TNG¢1604˜˜Applicable holder ref. page, (Example)K cast iron
CoatedS exotic alloy
SUMIBORON
Applicable External HoldersC23 to C29, D15, 18H hardened steel
Applicable Internal HoldersE68 to E70ecommended Application sintered component

I.C.: ø9.525 Thickness: 4.76 Hole: ø3.81 L Coated CBN Dimensions (mm)

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

AppearanceCutting EdgeCat. No.Old Cat. No.
Specifi cationNose R
3NC-TNGA 160404D DD
0.42.3
160408D DD
0.82.0
160412D D

C Q 1.2 2.0

Standard 1 3 D D D D D

160416* 1.6 3.3

160420*D D DD D
2.03.0
160424*D D DD D
2.42.7
6NC-TNGA 160402 D D
D0.22.4
160404D D D D D D D
0.42.3
160408D D D D D D D
0.82.0

Standard 160412 Q D D D D D D

161.22.0
R
160416*D D DD D
1.63.3
160420*D D DD D
2.03.0
160424*D D DD D
2.42.7
S6NC-TNGG 160404N-FVD D Q Q D D Q
0.42.3

Honing 160408N-FV Q D D Q Q D D Q

160.82.0
160412N-FVD D Q Q D D Q
Break Master1.22.0
6NC-TNGG 160404N-LVD D Q Q D D Q
T 0.42.3

S00535 160408N-LV Q D D Q Q D D Q

160.82.0
160412N-LVD D Q Q D D Q
1.22.0
Break Master
6NC-TNGG 160404N-SVQ QQ
0.42.3

V S01235 160408N-SV Q D D Q Q D D Q

160.82.0
160412N-SVD D Q Q D D Q
Break Master1.22.0
3NC-TNGA 160404LE D Q Q Q Q Q Q
0.42.3

W Honing 160408LE Q D Q Q Q Q Q Q

1 3 0.8 2.0

160412LE D Q Q Q Q Q Q 1.2 2.0 Less Cutting force 3NC-TNGA 160402LT Q D Q Q Q Q Q

0.2 2.4

160404LT Q D Q Q Q Q Q

Q 0.4 2.3

T00515 1 3 Q D Q Q Q Q Q

160408LT 0.82.0
160412LT Q D Q Q Q Q Q
Sharper edge1.22.0

*For use with SUMIBORON holders for high-effi ciency machining shown on page L102.

SUMIBORON Application Range Map

Ⓐ Uncoated SUMIBORON Ⓑ Coated SUMIBORON

300300BNC100
BN1000
BNC160
BNC2010
200200BNC200

BN2000 BNX25 BNC2020

BNX20 120 100 100