Elastic coupler will take out any misalignment between steppermotors and axis. Can handle up to 3NM. Available in several sizes and interchangable. So for example a transition coupling between 6.35mm and 8mm can be made.
Component features:
Available from stock
Outer Diameter 27mm Length 43mm
Coupling inter changable, so for example 6,35mm to 10mm coupling is possible