This hexagonal nut is a fastener designed for use in a variety of anchoring applications. In combination with a threaded bolt or anchor rod, this hex nut firmly secures components together. The nut comes in a variety of standard sizes to fit from 1/2 in. up to 1-1/4 in. rod diameters. NUT1/2-HDG is a general-purpose nut for 1/2 in. rod.