Prime‑Line® U‑bolts provide strong, dependable clamping and securing for round or flat objects in a wide range of home, automotive, and outdoor applications. Designed with a curved U‑shape and threaded ends, these bolts wrap securely around pipes, conduit, tubing, posts, and rods to create a stable, non‑slip hold. Ideal for use in plumbing supports, automotive exhaust systems, fencing, trailers, mounting brackets, and general utility projects, Prime‑Line U‑bolts are intended for use with same‑size matching nuts and washers to ensure proper fit, even load distribution, and long‑lasting performance. Manufactured from quality materials for strength and durability, they install easily using standard hand tools and perform reliably in both indoor and outdoor environments. Trusted by DIY homeowners and professionals across the U.S., Prime‑Line U‑bolts make it easy to secure components with confidence, strength, and stability..

Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse.