Small washers can have a big impact on assembly reliability. Kyosho M3x9 washers act as thin shims that protect screw heads and help spread loads, which reduces local stress on plastics and light alloys.
The set contains ten washers sized at 3mm diameter and 1mm thick, matching M3 fastenings common across many kits. Keeping a set to hand makes straightforward repairs and minor upgrades quicker and cleaner.
Use the washers under screws on motor mounts, chassis panels, servo mounts and suspension points to guard against pull through and to maintain secure joints under vibration. They are a low effort way to extend component life.
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