4 Sets Square U Bolts 4 inch Wide, Sunxer Tool Stainless Steel U Clamp with Nyloc Nuts Washers and Plates for Pipe Beam Trailer(M10 x 100mm x 180mm)

• ✅【PACKAGE CONTENTS】The package includes 4 sets of M10 square U-bolts. Each set comes with square U-bolts, flat washers, spring washers, nylon lock nuts, frame plates, and a matching wrench — everything you need for quick installation.Each U-bolt measures 100 mm (4 inch) in inner width and 180 mm (7-1/16 inch) in total length . Check the size chart shown in Image 2 to ensure the correct fit for your application.

• ✅【PREMIUM 304 STAINLESS STEEL】 The U Bolts are made of high-quality 304 stainless steel, offering outstanding strength, rust resistance, and corrosion protection.Perfect for both indoor and outdoor environments — whether exposed to humidity or rain, these U-bolts remain durable and deformation-free.

• ✅【SECURE & STABLE CONNECTION】 Equipped with nylon lock nuts and spring washers, the connection remains tight and secure even under vibration.Compared with ordinary nuts, nylon nuts provide stronger locking force, ensuring long-term stability — slightly harder to tighten, but far more reliable.

• ✅【WIDE APPLICATIONS】 Square U Bolts are Ideal for use in trailers, boats, pipelines, automotive parts, wood beams and metal structures.Excellent for fixing or clamping rectangular objects, poles, and heavy-duty assemblies.

• ✅【INSTALLATION TIPS】 To protect threads and extend u bolts’ service life: Apply a bit of lubricant before tightening the nuts. Avoid high-speed or impact tools — use the included manual wrench instead.

Made of premium 304 stainless steel, these square U-bolts offer excellent rust and corrosion resistance for both indoor and outdoor use. Each set includes U-bolts, flat washers, spring washers, nylon lock nuts, frame plates, and a matching wrench for quick installation. The secure frame plate ensures a stronger and more stable connection, while nylon lock nuts provide superior vibration resistance. Available in multiple sizes (M6–M12), perfect for trailers, boats, pipes, wooden beams, and industrial equipment — durable, reliable, and built to last.