- Insert Style: CNGA
- Insert Size: 431
- Corner Radius: 1/64 in
- ISO Code: 2NU-CNGA120404-BN250
- ANSI Code: 2NU-CNGA431-BN250
- Included Angle: 80 deg
- Shape: Diamond
- Material Grade: H
- Seat Size: 12
- Inscribed Circle: 1/2 in
- Cutting Direction: Neutral
- For Use On: Hardened Steel
- Hole Diameter: 0.2031 in
- Manufacturer Name: Sumitomo Electric Industries
- Manufacturer's Grade: BN250
- Material: PCBN
- Rake: Negative
- Relief Angle: 0 deg
- Series: SUMIBORON
- Thickness: 3/16 in
- Type: Multi-Cornered One-Use Standard Edge
- Application
Finishing Applications