Beefy Four Pack Square U Bolts With Frame Plates And Nuts Inner Width 40mm M8 Thread 100mm Length 304 Stainless Steel U Bolts Heavy Duty Mounting Hardware For Automobiles Trailers Ski Boats Sailboats And More

Four-Pack M8 U-Bolts with Plates, 100mm Length
✔️ M8 x 40mm inner width, 100mm length, 304 stainless

These heavy-duty U-bolts come in a four-pack with frame plates and nuts. Made from 304 stainless steel, they deliver strong, rustproof mounting for boats, trailers, rails, and other square or sheet metal setups. They’re ideal for automotive and marine projects that demand corrosion resistance and secure clamping power.

✅ Size: M8 x 40 x 100mm; inner width 40mm (1.57"), thread length 50mm (1.97")
✅ Material: 304 stainless steel, rustproof and strong
✅ Easy to install: fix U-bolts, add washers, tighten nuts
✅ Application: suitable for boats, plumbing, rails, and square frames
✅ Package: 4 pcs U-brackets with plates and nuts in a box

💡 What is a heavy-duty U-bolt mounting kit used for in common projects?

These handy fasteners secure rails, pipes, or square frames in boats, trailers, and industrial setups. - Handy for securing rails, pipes, or square frames in marine and automotive projects - Great for securing square posts and frame connections in wood or metal - Ideal for stainless steel hardware in wet or corrosive environments