... -bolts are used for attaching pipe or steel round bar to a round wood or steel post. Another common application is to hang ... -dip galvanized. Other metals like 202,304 and 316 stainless steel U-Bolts are also manufactured and including the galvanizing process ... . Zhenya Fastener U Bolt U-Bolts,Stainless Steel A2(18-8),A4,Low Carbon, Zinc Plated Theinformation below ...