Nylon Insert Lock Nuts, Coarse & Fine Thread, 1/2-13, 25-pk.

18-8 stainless steel nylon insert stop nuts resist corrosion to help ensure your project is done right. Compressible nylon inserts bind the nuts to eliminate the need for lock washers and prevent loosening due to vibration. The stainless steel finish offers best-in-class corrosion resistance. * 1/2-13 coarse thread size18-8 stainless steel finish for best-in-class corrosion resistanceNylon insert for added security to keep nut in place