Koswork M4 Steel Serrated Flanged Nylon Lock Black RC Nuts - KOSN1014

The Koswork KOSN1014 M4 Steel Serrated Flanged Nylon Lock Nuts are black steel fasteners designed for use in RC car builds, repairs, and maintenance. Supplied in a set of eight with a storage container, these M4 lock nuts feature a serrated flange for added grip and a nylon insert to resist loosening under vibration — a practical concern on any RC vehicle running over rough terrain. If you're restocking your hardware kit or replacing stripped or lost nuts during a build, these are a straightforward, functional choice.

Key Features

• M4 thread size suits a wide range of RC car chassis hardware applications
• Serrated flange bites into the mating surface to resist rotation and improve holding strength
• Nylon locking insert prevents the nut from backing off under repeated vibration
• Steel construction offers solid durability compared to aluminium alternatives
• Flat black finish blends cleanly with most RC chassis and component colours
• Comes with a reusable storage container to keep spares organised in your toolbox

What's Included

• 8 x M4 steel serrated flanged nylon lock nuts (black)
• Storage container

What You Need

• Appropriate M4 screws or bolts for your specific RC car application
• Nut driver or spanner to fit M4 fasteners