HFS(R) Thread Hex Nuts 3/8″-16, Solid Brass Hex Nut (25PCS/Pack)
These nuts are versatile, designed to be installed at the end of a hexagon bolt or other precision screw, effectively holding a fastener in place when used with an unthreaded hole. [Wide Range of Applications]: The nut is designed to be installed at the end of a hexagon bolt or other precision screw and generally holds a fastener in place when used alongside an unthreaded hole.