WINDON BAY 5/16" Brass Square Nuts are crafted for precision and long-lasting performance in a range of mechanical, electrical, and structural projects. The square design increases grip, while the corrosion-resistant solid brass construction ensures durability in harsh environments. Perfect for contractors, electricians, hobbyists, and DIYers, these nuts are ideal for wood-to-metal assemblies, electrical ground connections, and general hardware use. Available in 10, 20, 30, and 50 pack options, WINDON BAY delivers premium fittings that work as hard as you do.