: 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 Coated CBN Dimensions (mm)

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

Appearance Cutting Edge Cat. No. Old Cat. No.

Specifi cationNose RL
BNC100 → S01715D
3NC-TNGA 160404LS 0.42.3
BNC160 → S01020Q
160408LS D
BNC200 →S01015130.82.0

160412LS D

Sharper edge BNC300 S00515 1.2 2.0

BNC100 S01715 6NC-TNGA 160404LS D D D

0.4 2.3

BNC160 S01020 Q D D D

160408LS1 60.82.0
BNC200S01015
160412LSD D
Sharper edge BNC300S005151.22.0
6NC-TNGA 160404ES D
0.4C 2.3
S00535 160408ES QD
1 60.82.0
160412ES D
High Effi ciency1.22.0
BNC2010→ S017306NC-TNGA 160404HSD D D D D D
BNC2020 → S027350.42.3
BNC160 →S01730 160408HSQD D D D D D D
1 60.82.0
BNC200S01735
BNC300 → S01735 160412HSD D D D D D
Stronger edge1.22.0
BNC500 → S01225
*For use with SUMIBORON holders for high-effi ciency machining shown on page L102.
R
TNMA2204˜˜Applicable holder ref. page, (Example) K cast iron
S exotic alloy
Applicable External HoldersC24 to C29H hardened steel
Applicable Internal HoldersE69, 70ecommended Application sintered componentS

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

T

  • Negative Type (With Hole)
AppearanceCutting EdgeCat. No.Old Cat. No.
Specifi cationNose R
TNMA 2204080.83.2DDQQQ
V
Standard 220412QDQQQ
111.22.9

W

SUMIBORON Application Range Map

Ⓒ Gray Cast Iron Ⓓ Ductile Cast Iron Ⓔ General Sintered Alloy Ⓕ High Density Sintered Alloy

2,000 500 300 300 1,500 400 200 200

BN7000 BNC500

1,000300BN7500
BN7000BN7500

BNS800 100 100