Key Features: Lightweight Aluminum Alloy 5mm to 6.35 mm size Popular with many 3D Printer models Simple to connect a motor shaft to the lead screw with a few turns of a set screw This aluminum flexible shaft coupler is used in lots of 3D printer models to connect the motor shaft and the Z-axis lead screw.
Item Specifics Material: Aluminum
Alloy Type: Set screw
Inner Diameter: 6.35 mm ( 0.25 in)
Diameter: 20mm ( 0.79 in)
Length: 25mm ( 0.98 in)