SING F LTD 16mm to 22mm Motor Shaft Coupling Adapter 51 x 44mm Compatible with Servo Stepper Encoder

["- Precision rigid coupling sized for 16 mm to 22 mm bores; length 51 mm; outer diameter 44 mm; groove width 5 mm and 6 mm; thread M6x1; material 45 carbon steel.","- Ensures accurate shaft alignment and stable torque transfer to reduce slip and backlash in motion control, indexing, and positioning tasks.","- Compatible with servo motors, compatible with stepper motors, compatible with encoders, and compatible with CNC platforms, automation fixtures, and DIY machinery.","- Durable 45 steel provides strong load bearing and wear resistance for frequent start stop cycles and continuous rotation in light industrial equipment and workshop tools.","- Easy drop in replacement requiring no adjustment for quick repairs, prototypes, and upgrades where a 16 mm to 22 mm link is required."]