This Aluminum Nylock Nut Kit contains 50 pieces. A variation of the nyloc nut, this features a fiber and nylon locking insert for the tightest hold. Nylocs are designed to increase locking force and prevent the nut from coming loose.
Several sizes of nylocks are available in this kit for your application. Comes with (10) 10-32, (10) 5/16"-24, (10) 3/8"-24, (10) 1/4"-28, (20) 1/2-20".