Description
When you’re fixing brackets on your cultivator or mounting guards on your planter, carriage bolts are your go-to fastener for a clean, secure connection. The smooth round head sits flush against wood or metal surfaces, and that square shoulder underneath keeps everything from spinning while you tighten the nut. This 5/16-inch by 3/4-inch size is perfect for lighter-duty connections around implements and shop projects.
What You’re Getting
- Grade 5 steel construction that’s 25% stronger than hardware store bolts
- Zinc coating protects against rust and corrosion in farm conditions
- Smooth round head won’t catch on clothing or equipment
- Square shank prevents rotation during installation
- Standard UNC threads work with any matching nut or tapped hole
Built for Real Farm Work
This size carriage bolt handles the everyday mounting jobs you run into around tractors and implements. You’ll find it perfect for securing cultivator brackets, mounting guards and shields, or attaching accessories to implement frames. The 3/4-inch length works great for connections up to about 1/2-inch thick material.
Made to Last
Grade 5 bolts offer the sweet spot between strength and cost—they’re about 25% stronger than Grade 2 hardware store bolts. The zinc coating helps them stand up to moisture and road salt, so they won’t rust out on you in a season or two.
Good to Know
The square shoulder needs to bite into the material to prevent spinning, so drill your holes just big enough for the round shank. If you’re replacing old bolts, clean out any rust or debris from the holes first. A little anti-seize on the threads makes future removal easier if you’ll need to take things apart for maintenance.
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