Hobbyists seeking exact spacing will find these 3mm x 0.5t collars useful, supplied in packs of 10 in a light blue finish. They are intended for small, repeatable spacing tasks on model components.
These collars are handy for setting clearances on drive shafts, link rods and small rotating parts where consistent spacing matters to handling and wear.
Ensure the collar bore matches the shaft diameter and seat the collar square to avoid misalignment. Multiple collars can be combined to reach specific thicknesses when required.
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