3 Jaw Flexible Coupler - D20

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This high quality aluminum flexible coupling can be used to connect your stepper motor to your lead screw.  The flexibility will help with any misalignment there might be.

This model has less flex that the normal couplers due to its solid Polyurethane rubber pad.

Material:  Aluminum
Shaft: 1/4" x 8mm or  8mm x 8mm
Length: 25mm
Outer Diameter: 20mm

NOTE: Please make sure that the coupling is tightened all the way down. With diameter tolerences you may find these couplings grab at the end of the adjustment limit. So, really give them a good tightening to ensure they grab.