Description
Whether you’re patching up a cultivator frame or building custom brackets for your three-point hitch, there are times when you need a bolt that won’t spin when you’re trying to tighten the nut. That’s where carriage bolts shine—the square shoulder locks into wood or punched holes, keeping everything steady while you wrench down the other side.
What You’re Getting
- Square shoulder design prevents spinning during installation—no need for two wrenches
- Grade 5 construction offers 25% more strength than standard hardware store bolts
- Zinc coating resists rust and corrosion from moisture and road salt
- UNC thread pitch matches standard farm equipment hardware
- 4-inch length perfect for through-bolting thick materials or multiple layers
Built for Real Farm Work
This 3/8-inch size is just right for medium-duty connections around the farm. You’ll find it works great for securing implement guards, mounting toolboxes to tractor fenders, building shop fixtures, or connecting wooden components on gates and fences. The 4-inch length gives you plenty of thread engagement when bolting through thick steel or sandwiching multiple pieces together.
Made to Last
Grade 5 steel gives you the sweet spot between strength and cost—tough enough for serious farm work but won’t break the budget. The zinc coating helps these bolts stand up to the weather and won’t rust out on you in a season or two like cheaper hardware.
Installation Notes
The square shoulder needs to bite into the material to do its job, so make sure your holes are punched or drilled clean. Always use a flat washer under the nut to distribute the load properly, especially on thin metal. A little anti-seize compound on the threads makes future removal much easier if you need to take things apart later.
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