
The Pinnacle M4 black Ruspert nylon lock nut 10 pack uses a nylon insert to grip the bolt thread and resist loosening caused by vibration. The black Ruspert finish adds corrosion resistance, making these hex nuts suitable for indoor and outdoor assemblies.
Lock nuts are ideal for machinery, frames, fixtures and any joint exposed to movement or vibration where a standard nut might work loose over time.
The Pinnacle M4 Black Ruspert Nylon Lock Nut 10 Pack is a set of hex nuts designed to prevent loosening due to vibration, featuring a nylon insert for added security. The pack consists of ten hex nuts equipped with nylon inserts that help prevent loosening caused by vibration. These lock nuts feature a Black Ruspert finish, providing corrosion resistance suitable for both indoor and outdoor applications.
The pack contains 10 M4 nylon insert lock nuts.
A nylon insert inside the nut grips the bolt thread, resisting loosening caused by vibration.
They suit M4 threaded bolts.
Yes. The black Ruspert finish provides corrosion resistance suitable for indoor and outdoor use.


