(100) 1/4 x 20 Brass Nylon Insert Lock Stop Nyloc Nuts 1/4-20 Nut nylock 1/4×20
These Nylon Lock Nuts are made from brass. Brass Lock Nuts are corrosion resistant and non magnetic. Nut Specs Nut Thickness:5/16. NOTpreviously rejected for quality issues or rescued from a scrap yard.