We are a professional manufacturer of UNC 307 grade A all thread rods zinc, with more than 20 years of experience. All thread rod is used in construction, plumbing, heating, electrical and fabrication applications for hanging, mounting, bracing, supporting and fastening of rods. All thread rod is available in low carbon steel (plain, zinc plated or hot dip galvanized) as well as 304 and 316 stainless, and B7 alloy steel. Other materials are available on special order.