Parts/Hardware & consumables/Screws, bolts & washers/175RC Aluminum 4mm Serrated Locknuts (Blue)

About this part

175RC Aluminum 4mm Serrated Locknuts are a great choice for any vehicle that uses an M4 wheel nut. Heavily serrated and made from lightweight aluminum, these M4 locknuts are light weight and will hold the wheel securely. 

Reviews3.0 · 2 reviews

Troy FisherVerified owneron 175RC Aluminum 4mm Serrated Locknuts (Blue)

absolute garbage, put these on my 2wd sct mod,made 5 laps .the left front wheel fell off. it seem like the nylon insert needs to be thicker to grip the threads better(imo)

1 found this helpful
Chris PelletierVerified ownerMay 26, 2026on 175RC Aluminum 4mm Serrated Locknuts (Blue)

The locknuts are Perfect and fit like a glove on my Team associated B6.4 buggy wheels. Highly recommend them

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