National Hardware's 3/8"-16x36" Threaded Rod is designed for hanging, connecting, clamping and supporting in plumbing, heating and electrical applications and other do-it-yourself projects. Consists of UNC coarse threads. Can be drilled, cut, heated, or shaped. Especially suitable for marine and other outdoor applications where maximum corrosion resistance is desired. Coated with Weatherguard Protection to withstand harsh weather conditions and prevent corrosion. Safe working load of 1,700 lbs