OEM NIU replacement hexagon socket head cap screw with integrated lock washer in M5x16 sizing. Features blue thread-locking compound pre-applied to the threads for secure, vibration-resistant fastening. Designed for NIU KQi series electric scooters � use the Shop-by-Diagram tool on our home page to confirm the exact mounting location for your model.
California Prop 65 Warning: www.p65warnings.ca.gov
