Mini 4WD M2 x 12 Socket Button Fastener - M4WD-22 by 3Racing  [M4WD-22]

Tamiya Mini 4WD M2 x 12 Scoket Buttom Screw_Steel - 3RACING M4WD-22
Price:
USD$1.30
Brand:
3Racing
Model:
M4WD-22
Condition:
Brand New
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M4WD-22 M2 x 12 Socket Button Screw Technical Notes

Designed as a service and assembly fastener for Mini 4WD applications, this M2 x 12 socket button screw provides consistent thread engagement and clamping force for common panel and mount joints. It is not intended as a performance upgrade component.

Material selection is steel to increase tensile capacity relative to softer alternatives. For assemblies exposed to moisture, apply appropriate surface protection and inspect thread fitment during maintenance intervals. Use matching M2 locking nuts or inserts where repeated torque cycles are expected.

Installation guidance for technicians: verify hex key fit to the internal socket to avoid drive cam-out, confirm engagement length against the substrate thickness, and account for head clearance near rollers and mounting hardware. When disassembly frequency is high, utilise thin washers or protective layers to prevent finish wear.

What is the recommended torque approach for M2 socket button screws?

Apply light, controlled torque suitable for small fasteners. Over-torquing risks thread damage or stripping the socket recess. Use torque-limiting drivers where repeatable settings are required.

Which retention methods pair best with this screw?

Press-fit threaded inserts and matching M2 lock nuts provide robust retention for repeated service cycles. For vibration-prone areas, a low-strength removable thread locker can be used.

Are there clearance checks I should perform before installation?

Yes. Confirm head height clearance for adjacent rollers, body mounts and wiring, and ensure the thread engagement length does not bottom out or protrude into moving parts.