3RACING 3RAC-NS40/BL 4mm Black Serrated Aluminum Locknut Set (8pcs)  [3RAC-NS40/BL]

Locknut stability for track and trail

For RC hobbyists wanting dependable fastening, the 3Racing 4mm Aluminum Serrated Locknuts deliver a straightforward, robust solution. Made from durable aluminum, these nuts are light yet strong and give a snug fit on 4mm threaded parts. The serrated edge grips mating surfaces to help prevent loosening from vibration during use.

Core features

• Material: Aluminum construction for strong but lightweight fastening
• Design: Serrated rim to resist backing off under vibration
• Color: Black finish for a neat, low profile appearance
• Compatibility: Works with components that accept 4mm nuts

Benefits for hobbyists

These 3Racing locknuts suit both casual drivers and weekend racers who need reliable hardware that stays put. Fit them where you want a secure joint and spend less time checking fasteners between runs.