Conquest 2-1/4" Grade C NU Heavy Nylon Insert Locknut - Plain | Qty. 60 (Pallet)These industrial strength Grade C NU Heavy Nylon Insert Locknuts are built to perform in environments where vibration and movement are constant. A nylon insert inside each nut grips the threads of the mating fastener, acting as a lock that resists loosening without the need for adhesives or washers. Made from durable Grade C steel with a plain (uncoated) finish, these locknuts are designed for indoor use where corrosion isnt a factor. The coarse