The Grade 55 coarse threaded rod is a high tensile threaded bar that is manufactured in the USA to meet the highest quality standards. The Grade 55 style allthread provides high performance for structural anchoring including anchoring down light poles and stop lights. The Grade 55 coarse all thread bar is conveniently available with a corrosion-resistant hot-dip galvanized finish and a plain finish.
The hot-dip galvanized Grade 2 hex nut and hot-dip galvanized flat washer are designed for use with the Grade 55 hot-dip galvanized all thread. The Grade 2 plain finish hex nut and the plain finish flat washer perform great with the plain finish Grade 55 threaded bar.