1/4-20 X 3' UNC A307 Grade A All Thread Rods Zinc 50 Sticks
Zinc Plated A307 Threaded Rod. 1/4"-20 X 3' (50 Sticks). The most economical and most common form of Threaded Rod. Typically used by the plumbing and contracting trades. Zinc plating, retards the corrosion rate in a normal atmosphere.