Quick view 1/2"-13 X 2-1/2" U-Bolts, AISI 316 Stainless Steel U-bolts are shaped like the letter U and have screw thread on the end of both legs.U-bolts are used to fasten pipes, cables, machinery and conduits, or can be used as anchors.Type 316 stainless steel is considered "marine grade".Stainless steel... $238.29 Select Quantity Compare