Self Locking Nut Vs Normal Nut

Fastenright supply a wide range of self locking nuts for various applications.

Self locking nut vs normal nut.

The finished hex nut is perhaps the most commonly used nut in the world today. A locknut also known as a lock nut locking nut self locking nut prevailing torque nut stiff nut or elastic stop nut is a nut that resists loosening under vibrations and torque. The floating action of the nut will compensate for mating hole misalignment of up to 030 8mm. In stock and ready to ship.

And the finished hex nut provides adequate strength for many different types of common applications. Nylon lock nuts differ from a standard hex nut in that they have a nylon insert secured within the nut. Most locknuts are available from stock for fast delivery with non standard sizes and specials available to order. Choose from our selection of self locking nuts including over 1 700 products in a wide range of styles and sizes.

When you install the nylon lock nut onto a bolt or threaded stud the nylon insert wraps around the threads and locks the nut in place. Said to be one of the first locking schemes a thin jam nut is first installed and tightened then the normal thick nut is installed and tightened against the jam nut. What is a finished hex nut. Found in structural machinery and automotive applications hex nuts and heavy hex nuts couple with bolts to create a tight secure joint.

Floating self locking hex nut application notes the floating locking self clinching nut provides a strong female thread ideally suited for use in cold rolled steel 2024 t3 aluminum and 5052 h34 aluminum sheet metal. Since the bolt thread is in contact with the top flank of the small nut and the bottom flank of the top nut relative thread movement is not possible. Jam nuts work by twisting two nuts against each other instead of against the installation object but they can also be used to simple prevent the inside. The nylon insert is located in a tapered section located at the back of the nut.

I believe a check nut is comparable to jam nuts although i haven t heard it called this before. The reason why the two nut system is effective in resisting self loosening is due to the way the threads are jammed together hence the term jam nut being frequently used for the thin nut. Elastic stop nuts and prevailing torque nuts are of the particular type where some portion of the nut deforms elastically to provide a locking action.