: 1st Choice: 1st Choice: 1st Choice
Legend: Continuous Cut:Medium Cut:Interrupted Cut:
2nd Choice2nd Choice2nd Choice
TN¢¢1604˜˜Applicable holder ref. page, (Example)K cast iron
S exotic alloy
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 CBN Dimensions (mm)

  • Negative Type (With Hole)

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

Specifi cation Nose R L

TNMA 160402DDQQQ
0.23.6
160404DDQQQ

Q 0.4 3.5

Standard 1 1 D D D DDD DDD QQQ

160408 0.8 3.2

160412 D D D DDD DDD QQQ

1.2 2.9

  • Solid Type/Negative (With Hole)
TNGA 160408Q Q Q Q Q Q Q QQQ QQQ Q DDDC
0.8 15.3

Standard 160412 Q Q Q Q Q Q Q Q QQQ QQQ Q DDD

1 1.2 15.7

D

R

S

T

V

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