| ANSI Number | VBMT331 | 
| Cast Iron (K) Compatibility, Steel (P) Compatibility | Yes | 
| Chip-Breaker | PS5 | 
| Coating | CVD | 
| Country of Origin (subject to change) | Germany | 
| Cutting Direction | Neutral | 
| For Use With | Toolholders, Boring Bars | 
| Grade | WAK20 | 
| Hardened (H) Compatibility, Non Ferrous (N) Compatibility, Stainless (M) Compatibility, Super Alloy (S) Compatibility | No | 
| Inscribed Circle | 3/8" | 
| Insert Application | Finishing | 
| Insert Material, Material | Carbide | 
| Insert Shape | Diamond | 
| Insert Size | 331 | 
| Insert Style | VBMT | 
| Insert Thickness | 0.1880" | 
| ISO Number | VBMT160404 | 
| Item | Turning Insert | 
| Mounting Hole Dia. | 0.173" | 
| Mounting Style | Screw | 
| No. of Edges | 2 | 
| Nose Radius | 0.0160" | 
| Rake | Positive | 
| Relief Angle | 5 Degrees | 
| Workpiece Compatibility | Cast Iron (K), Steel (P) |