... of parallel,angular misalignments IBEST manufactures high quality flexible coupling, which function in in dynamic application synchronously ... shaft can be defined by user; Standard hole: Φ 4, Φ 5, Φ 6, Φ 6.35, Φ 8, Φ 10, Φ 12, Φ 15, Φ 20, Φ 25, Φ ... hole dia. of the encoder end.Φ4,Φ5,Φ6,Φ6.35,Φ8,Φ10,Φ12,Φ15,Φ20,Φ25, Φ30mmN ... the hole dia.of the user end.Φ4,Φ5,Φ6,Φ6.35,Φ8,Φ10,Φ12,Φ15,Φ20,Φ25, Φ30mmTorque≤ ...