Two Sets 304 Stainless Steel Square U Bolts, Two And Three Eighths Inch Inner Width, Four Inch Length M8 With Nuts, Frame Plate, Boat And Trailer Accessories For Cars, Trailers, And Industrial Gear

Two Sets of 304 Stainless Square U-Bolts with Nuts, M8
✔️ 2 kits; M8 thread; 60mm groove; 100mm length; corrosion-resistant

These square U-bolts are built from 304 stainless steel, delivering solid corrosion resistance for marine, outdoor, and industrial rigging. Ideal for securing rectangular frames, pipes, or rails on boats, trailers, and equipment, this two-kit set provides mounting at two points for reliable fastening.

✅ Thread size M8; Groove Width 60 mm (2 3/8"); Overall Length 100 mm (4"); Thread Length 50 mm (1.97")
✅ Material: 304 stainless steel for corrosion resistance and durability
✅ Surface: wire drawing finish for comfortable hand feel
✅ Application: fixed connection to rectangular wood/metal parts, suitable for cars, sailboat trailers, pipes, and other industrial uses
✅ Tips: lubricate during installation; use a hand wrench or socket; avoid high-speed power tools

💡 What is the best way to choose stainless steel square U-bolts for framing and mounting on boats and trailers? Here's a handy, concise answer.
- 304 stainless steel with M8 thread offers good corrosion resistance for outdoor and marine use
- Check groove width (60 mm) and overall length (100 mm) to fit your frame or pipe
- Include nuts and use lubrication during installation to reduce wear
- Buying a set of two helps cover multiple mounting points