These Traxxas 4mm Lock Nuts come as a set of eight and are made to keep wheels tight through heavy use. The steel body pairs with a nylon locking insert and a serrated flange that bites into the wheel to resist rotation under vibration and impacts.
Use these nuts when you need straightforward, reliable wheel retention for bashing, ripping through trails, or regular maintenance. The combination of steel construction, nylon lock, and serrated flange keeps wheels secure without frequent re-torquing — a simple, effective spare to keep in your toolkit.
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