Factory Team M4 Aluminum Flange Locknut Pack (6) (ASC31551)

Factory Team M4 Aluminum Flange Locknut — six-piece set designed for securing M4-threaded components on RC cars and trucks.

Made from lightweight aluminum, these flange locknuts provide a broad seating surface that distributes load and helps resist loosening under vibration. They’re compatible with standard M4 hardware across a wide range of RC models, delivering durable, corrosion-resistant performance for racing or everyday use.