U Bolts Size: M8 U-Bolt, inner size 2"W x 3.9"L with 2" thread length. Please carefully verify the required inner width and inner length dimensions for the U-bolts before checkout to avoid returns or delivery delays caused by incorrect sizing.
Package Includes: 2 pieces 2 inch wide U-bolts, 2 frame plates, 4 flat washers, 4 lock washers and 4 matching nuts, plus 1 dedicated wrench. Full set of mounting hardware is included, no additional parts required, ready for immediate installation.
Marine-Grade Material: Crafted from premium 304 stainless steel, the U-bolts feature solid structural strength and outstanding resistance against rust, moisture and chemical corrosion.
Wide Application: Ideal for fastening steel tubes and wooden beams. Perfect match for boat trailers, RV bumpers, outdoor support brackets, industrial machinery and other heavy-duty fixing scenarios.
Installation Guide: Leave enough space for nuts and washers when measuring tubing size. Hand-tighten fasteners with the supplied wrench only. Do not use impact or electric torque wrenches, which may damage, seize or crack the bolt threads and lead to loose mounting.
Service Support: Our professional U-Bolts hardware service team stands behind your purchase. We provide lifelong technical guidance. Reach out anytime for issues about installation, size matching or missing accessories, and we will reply within 24 hours.
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