feature: for face milling cutter plate use  
                                      entire branch hole ,help water disposal and  reduce vibration

 
                       catalog number:BT30-ER25.4/  31.75
                                                      BT40-FMA25.4/ 31.75/ 38.1
                                                      BT50-FMA25.4/ 31.75/ 38.1/ 50.8/ 47.62
            
                        brand:      NEXTCUT