: 1st Choice: 1st Choice: 1st Choice
Legend: Continuous Cut:Medium Cut:Interrupted Cut:
2nd Choice2nd Choice2nd Choice
DN¢¢1504˜˜Applicable holder ref. page, (Example)K cast iron
S exotic alloy
Applicable External HoldersC10, 11H hardened steel
Applicable Internal HoldersE35 to E37ecommended Application sintered component

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

  • Negative Type (With Hole)

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

Specifi cation Nose R L

DNMA 150404 0.4 5.0 D D QQQ

Standard 150408 Q D D D DDD DDD QQQ

1 1 0.8 4.7

150412D DDD DDDQQQ
1.2 4.3
DNG¢1504˜˜Applicable holder ref. page, (Example)K cast iron
CoatedS exotic alloy
SUMIBORONC
Applicable External HoldersC10, 11H hardened steel
Applicable Internal HoldersE35 to E37ecommended Application sintered component

I.C.: ø12.7 Thickness: 4.76 Hole: ø5.16 Coated CBN D Dimensions

(mm)

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

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

Specifi cation Nose R D D D 2NC-DNGA 150404 0.4 2.5 D D D

150408 0.8 2.1

1504121.2 2.0 D DS
StandardQ

1 2 DDD D D

150416*1 1.6 3.4 150420*1 DDD D D 2.0 3.0 150424*1 DDD D D

2.4 2.7 T 0.2 2.6 D D

4NC-DNGA 150402

DDDDDDD 150404 0.4 2.5 150408 DDDDDDD 0.8 2.1

Standard 150412 Q DDD DDD V

141.2 2.0
150416*1DDD D D
1.6 3.4
150420*1DDD D D
2.0 3.0
150424*1DDD D DW
2.4 2.7
4NC-DNGA 150404WG*20.4 2.3 DDQQDDQ

Q 1 4 DDQQDDQ

S01215 150408WG*20.8 2.0
Wiper Insert
4NC-DNGA 150404WH*20.4 2.1 DDQQDDQ

Q 1 4 DDQQDDQ

S01215 150408WH*2 0.8 1.8

Wiper Insert *1 For use with SUMIBORON holders for high-efficiency machining shown on page L101. *2 Use a toolholder with a 93° cutting angle.

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