This Tamiya replacement screw fits TRF421 hop-up items and small mounting points where a flat-head 3x6mm fastener is required. It is supplied as a direct-fit replacement for that head style in compatible kits.
Where used: These countersunk screws hold down small plates, tower mounts, gearbox fixings and other tight-space attachments. They are intended for maintenance and for restoring correct component alignment after service or repairs.
How to install: Thread into the original bosses or approved inserts and tighten evenly to a firm feel. Avoid excessive torque to prevent thread damage, and check alignment before the final tightening stage.
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