8447X 5 mm Blue Aluminum Serrated Lock Nuts (4) | The Rc Shop at DrDans

Engineered for durability and precision, these 5 mm anodized aluminum flanged lock nuts deliver reliable fastening performance for demanding RC applications. The serrated flange design combined with an integrated nylon locking mechanism ensures secure retention under high-stress conditions. Their lightweight construction minimizes unsprung mass while the polished blue finish adds a professional appearance to your build. This four-piece set provides everything needed for complete wheel assembly security.