3-3MM Couplings

3-3MM Couplings
- 100% new, high quality guarantee. - Couplings Couplings are suitable for machinery, motors, model remote controls - marine propeller shafts. - It can be used to connect two different shafts to jointly rotate and transmit torque. - Buffer, vibration, improve the dynamic performance of the shaft. - Size: 20X8mm / 0.79x0.31inch - Material: Copper Specifications: - Type: - # 1 2mm to 2mm - # 2 3mm to 3mm - # 3 4mm to 4mm - # 4 3.17mm to 3mm - # 5 3.17mm to 4mm - # 6 3.17mm to 5mm