The BK Series machine enjoys high tube cutting efficiency, with the max moving speed of 100 m/min and chuck rotation speed of 100 rpm/min.
 
                 
                             
                             
                             
                            | BK Series | FCT6020BK-K | FCT7025BK-K | FCT7028BK-K | 
| Power | 3000W-6000W | ||
| Processing Range | φ12-200mm □12-140mm | φ12-245mm □12-175mm | φ12-273mm □12-200mm | 
| X/Y-axis Positioning Accuracy | ±0.03mm/m | ±0.03mm/m | ±0.03mm/m | 
| X/Y-axis Repositioning Accuracy | ±0.05mm | ±0.05mm | ±0.05mm | 
| Max. No-load Running Speed | 100m/min | 100m/min | 100m/min | 
| Max. Chuck Rotating Speed | 100r/min | 100r/min | 100r/min | 
| Max. Tube Weight | 130kg | 230kg | 350kg | 
| Max. Machinable Tube Length | 6500mm | 7500mm | 7500mm |