![Stanley-National Hardware 3/8-in x 3-in Zinc-plated Square U-bolt in the Specialty Bolts department at Lowes.com Stanley-National Hardware 3/8-in x 3-in Zinc-plated Square U-bolt in the Specialty Bolts department at Lowes.com](https://mobileimages.lowes.com/productimages/1202b465-e2ef-4438-a912-c5fdf397b8e2/00711803.jpg?size=pdhism)
Stanley-National Hardware 3/8-in x 3-in Zinc-plated Square U-bolt in the Specialty Bolts department at Lowes.com
![Made in USA - Round U-Bolt: Clamping Mount, 5/16-18 UNC, 1″ Thread Length, for 1-1/4″ Pipe, 1.48″ Inside Width, Steel - 08006579 - MSC Industrial Supply Made in USA - Round U-Bolt: Clamping Mount, 5/16-18 UNC, 1″ Thread Length, for 1-1/4″ Pipe, 1.48″ Inside Width, Steel - 08006579 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/0800657-24.jpg)
Made in USA - Round U-Bolt: Clamping Mount, 5/16-18 UNC, 1″ Thread Length, for 1-1/4″ Pipe, 1.48″ Inside Width, Steel - 08006579 - MSC Industrial Supply
![Amazon.com: Hardware Essentials 320892 Square U-Bolt-5/16-18 x 3" x 2", 1 Count (Pack of 1), Zinc : Industrial & Scientific Amazon.com: Hardware Essentials 320892 Square U-Bolt-5/16-18 x 3" x 2", 1 Count (Pack of 1), Zinc : Industrial & Scientific](https://m.media-amazon.com/images/I/61bXS--Z7VL.jpg)
Amazon.com: Hardware Essentials 320892 Square U-Bolt-5/16-18 x 3" x 2", 1 Count (Pack of 1), Zinc : Industrial & Scientific
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Hardware Essentials 1/4 in. x 1-3/4 in. x 1 in. Stainless Steel U-Bolt with Plate and Hex Nuts (5-Pack) 320872 - The Home Depot
![Hillman 1/4-in x 1-3/4-in Stainless U-bolt Plate Bolt in the Specialty Bolts department at Lowes.com Hillman 1/4-in x 1-3/4-in Stainless U-bolt Plate Bolt in the Specialty Bolts department at Lowes.com](https://mobileimages.lowes.com/productimages/f514ed5d-0f68-4d95-8d09-30245d7231b1/00265210.jpg?size=pdhism)