Shaft Coupler
Couplers between two shaft sizes
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About this generator
Connect a motor to a lead screw, or adapt a knob to another shaft size.
How to use
- Measure both shafts.
- Pick the set screw size.
- Print upright, push nuts into the slots and tighten the set screws.
Printing tips
- Use PETG or nylon, 100% infill.
- Not for high torque or high speed: use a metal coupler there.
Helpful guides
Frequently asked questions
How strong is it?
Fine for light, slow loads. Print in PETG or nylon with 100% infill. For high torque or speed, use a metal coupler.
What does Outside diameter 0 mean?
Automatic: the outside follows the larger shaft. Set a value for a thicker coupler.
