Description
When you’re fixing implements or building custom brackets, you need hardware that won’t let you down. This carriage bolt gives you a clean, flush finish with the smooth head sitting tight against the surface while the square shoulder keeps everything from spinning when you tighten the nut. The 1-1/2 inch length is perfect for connecting parts with some thickness to them.
What You’re Getting
- Grade 5 strength that’s about 25% stronger than regular hardware store bolts
- Zinc coating protects against rust and corrosion from moisture and road salt
- Smooth round head sits flush and won’t catch on things or tear clothing
- Square shoulder locks into the hole to prevent spinning during installation
- Standard UNC thread pitch works with any 5/16 inch nut or threaded insert
Built for Real Farm Work
This size bolt is ideal for medium-duty connections on tractors, implements, and shop projects. You’ll find 5/16 inch carriage bolts perfect for attaching guards, mounting brackets, and assembling equipment where you want a smooth finish on one side. The 1-1/2 inch length works great when bolting through standard steel plate or connecting multiple pieces together.
Made to Last
Grade 5 bolts hit the sweet spot between strength and cost—strong enough for most farm applications without breaking the budget. The zinc plating helps them stand up to the elements better than plain steel, so they won’t rust out on you after a season in the weather.
Good to Know
The square part under the head needs to bite into the material to work properly, so make sure your hole isn’t oversized. Always use a flat washer under the nut to spread the load and get the best holding power. A little anti-seize on the threads makes future removal much easier if you ever need to take things apart.
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