Grade 2 Zinc Plated Nylon Insert Lock Nut Assortment (335-Pieces)

Assortment Contains 12 different diameters of Nylon Insert Lock Nuts Zinc: Hex nut with a nylon-filled collar at its back end. When a screw reaches the collar, the threads and nylon form a tight, frictional fit, restricting movement of the screw when subjected to vibration. Designed to be used with like material machine screws and bolts. It is able to be reused. Nylon will begin to deteriorate at temperatures from 150 degree F to 350 degree F.|Assortment contains the following nylon insert lock nut sizes and quantities: 4-40 50 pcs 6-32 50 pcs 8-32 50 pcs 10-24 40 pcs 10-32 40 pcs 12-24 25 pcs 1/4-20 25 pcs 5/16-18 20 pcs 3/8-16 15 pcs 7/16-14 10 pcs 1/2-13 6 pcs 5/8-11 4 pcs|Zinc plated|Material: steel|Clear plastic carrying case for easy storage