M8 x 40 x 100mm U Bolt: The square U bolts threads are M8 in overall length, about 40 mm/1.5" in inner width and about 100mm/2.7 " in length; Designed to securely fasten square objects with a width or diameter of about 40mm; *Please measure your object's thickness to match the 1‑inch inner width before purchasing
Secure U Shape Grip: Trailer U Bolts with square u shape design provides maximum surface contact for a rock-solid hold. Easily cut them in half to create sturdy 90° brackets, offering flexible solutions for various DIY and repair projects beyond standard bolting
Corrosion-Resistant Construction: The square U bolt clamp is made entirely of durable stainless steel to resist rust, peeling, and corrosion, making it ideal for marine (boat trailers), automotive, and outdoor use in harsh, wet, or salty environments
Complete Kit: This Heavy Duty U Bolts comes with 4 U-bolts, 4 frame plates, 8 flat washers, 8 lock washers, and 8 nuts; Lock washers actively resist vibration loosening, while flat washers protect surfaces, guaranteeing a tight, lasting installation
Wide Applications: Perfect for securing wooden sides to utility trailers, mounting protective skid plates on tractors, or upgrading truck suspensions; A reliable choice for industrial maintenance, farm equipment, and securing cargo