- Finish/Coating: Al2 O3
- Insert Style: NG4250R
- Insert Size: 4
- Material: Carbide
- Cutting Width: 0.256 in
- Manufacturer's Grade: KCK20B
- Chipbreaker: 0-No Chipbreaker
- Corner Radius: 0.0225 in
- Insert Hand: R - Right
- Insert Seat Size: 4
- Series: Top Notch
- Thickness: 0.453 in
INSERT NG4250R KCK20B CRB GRVNG