3x6x3mm Red Shaft Collars Pack Yokomo YOKZCRA3630, 8pcs  [YOKZCRA3630]

3x6x3mm Red Shaft Collars for Model Drivetrains

The Yokomo YOKZCRA3630 pack contains eight red collars sized 3x6x3mm, designed for use as compact axial spacers in RC model assemblies. These collars keep spacing consistent between rotating components such as bearings and gears and help reduce unwanted endplay.

Fitting the collars is simple: place a collar onto the shaft to set axial position or to act as a spacer while assembling transmission or drivetrain elements. The 8pcs format makes it easy to stock replacements and complete multiple setups without mixing sizes.

Tuning perspective: collar use allows small, repeatable shifts in axial placement, useful when dialing in gear engagement or correcting minor alignment issues. The standard 3x6x3mm size provides a consistent baseline for adjustments.