TiN Finish, RH, 4.8mm Cutting Width, 6.35mm Max Depth, Series Top Notch Insert Style: NGP Insert Size: 4189 Material: Carbide Cutting Width (mm): 4.80 Cutting Width (Decimal Inch): 0.1890 Maximum Depth of Cut (mm): 6.35 Maximum Depth of Cut (Decimal Inch): 0.2500 Material Grade: C2/C3/C4 Manufacturer's Grade: KC730; KC730 Manufacturer Grade: KC730 Coating: TiN Insert Hand: Right Hand Maximum Depth Of Cut Range (Decimal Inch): 0.2000 - 0.3000 Corner Radius: 0.0225 in; 0.57 mm Maximum Depth Of Cut Range (mm): 5.00 - 10.00 Multi-use Tool: No Coating Process: PVD Lead Angle: 3 Relief Angle: 5 Insert Seat Size: 4 Multi-Use Tool: No Corner Radius (mm): 0.57 Corner Radius (Decimal Inch): 0.0225 Coating Process: PVD; PVD Series: Top Notch Rake Angle: 5 Rake: Positive Included Angle: 55 Series Number: Top Notch