Mini 4WD Chassis M2 x 40 Socket Button Screw M4WD-28 by 3Racing  [M4WD-28]

Tamiya Mini 4WD M2 x 40 Scoket Buttom Screw - 3RACING M4WD-28
Price:
AUD$2.72
Brand:
3Racing
Model:
M4WD-28
Condition:
Brand New
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M2 x 40 socket button head screw for Mini 4WD assemblies

The M2 x 40 socket button screw is supplied as a single-length spare for Mini 4WD builds where longer thread engagement is required. It features a button-style head with a socket drive and a nominal 40 mm length suited to chassis plates, brackets and extended mountings.

Compatibility must be checked against the receiving thread, insert or nut and the clearance behind the mounting surface. Measure standoffs and hole depth before substituting. Use the appropriately sized hex key to protect the socket head from rounding.

 

Product Reviews
1 Reviews
rating
Excellent service, two of the items I purchased were out of stock but was given fair options on refund, store credit or replacement. I opted for replacement as there was a different version available and one of the items did arrive bent and they sent out

Which components usually need a 40 mm M2 screw?

Items with extra spacers, tall standoffs, stacked chassis plates or added accessory mounts often require longer M2 screws like this one. Confirm the required length before ordering.

Is this suitable for popular Mini 4WD kits?

Where kits use standard M2 threads and there is enough clearance, this screw will fit. Always check the specific threaded insert and available space first.

Best practice for tightening the socket button head?

Fit with the correct M2 hex key and apply steady, moderate torque. Avoid over-tightening to protect plastic parts and thread integrity.

Do I need locking nuts or threadlocker?

Use locking nuts or a small amount of threadlocker where vibration or loosening is a concern, but ensure you can still remove the fastener for maintenance.

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