The Yokomo ZC-M3DWA aluminium countersink washers are made for 3mm countersunk screws and come in a black anodised finish that resists wear. Their compact shape keeps the profile tidy while strengthening the screw seat.
These washers are suitable across multiple chassis formats and are a practical item for trackside repairs or workshop upgrades. Fitment is straightforward on models such as MRTC-BD919 and MSR-BD12A where countersunk fasteners are used.
Align the washer so the screw head sits evenly and tighten with consistent pressure to avoid movement. Proper installation reduces the need for repeat adjustments and keeps components secure during rough runs.
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