FTX Grub Set Screws M4 x 4mm (FTX-SS021)

The FTX Grub Set Screws M4 x 4mm (part FTX-SS021) offer a straightforward replacement for worn or missing set screws in radio control applications. With an M4 metric thread and 4mm length, they suit a variety of small fastening tasks around drivetrains and linkages in RC models.

These general-purpose set screws are useful workshop spares for maintenance and repairs. Suggested compatibility spans a wide range of RC cars, trucks and boats that specify M4 x 4mm grub screws. For best results, apply a suitable threadlock where appropriate.

Typical Uses

• Securing pinion gears to motor shafts
• Fixing drive hubs or couplers
• Locking linkage collars or wheel hex pins
• General replacement hardware for RC maintenance