JSumo Set Screw Shaft Coupler 4mm to 4mm (Pair)

• Pair of JSumo Set Screw Shaft Couplers (4mm to 4mm)
• Hole Size:4mm
• Outer Diameter: 7.8mm
• Length: 12.3mm
• Can be used to extend motor shafts or to connect two shafts together

The JSumo Set Screw Shaft Coupler 4mm to 4mm (Pair) can be used to extend motor shafts or to connect two shafts together. It keeps the mill tightly with vertical screws and provides strong mechanical connection between transmission axes.