... IBEST manufactures high quality flexible coupling, which function in in dynamic application synchronously.1.Features Of BF1 Clamp Type Flexible coupling ... ; Standard hole: Φ 4, Φ 5, Φ 6, Φ 6.35, Φ 8, Φ 10, Φ 12, Φ 15, Φ 20, Φ 25, Φ 30mm * Torque <35.0Nm, the axial degree <0.15mm, the ... user end.Φ4,Φ5,Φ6,Φ6.35,Φ8,Φ10,Φ12,Φ15,Φ20,Φ25, Φ30mmTorque≤20.0NmThe axial degree≤0.2mmThe corner setover≤1.03 ...