Grade 5 Zinc Carriage Bolt 3/4 Inch X 3 Inch for Tractor and Implement Assembly
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Grade 5 Zinc Carriage Bolt 3/4 Inch X 3 Inch for Tractor and Implement Assembly

Original price was: $4.10.Current price is: $1.22.

SKU: SMA-120-820621 Category:

Description

When you need a bolt that won’t turn on you while you’re tightening the nut, a carriage bolt is your best friend. The square neck under the rounded head grips into the wood or metal, so you can wrench from just one side—real handy when you’re working in tight spots or bolting through thick material where you can’t get a wrench on both ends.

What You’re Getting

  • Square neck design prevents the bolt from spinning during installation
  • Grade 5 strength handles heavy-duty connections on implements and equipment
  • Zinc coating resists rust and corrosion in farm conditions
  • 3-inch length works great for bolting through thick steel or multiple pieces
  • Smooth rounded head sits flush and won’t catch on clothing or equipment

Built for Real Farm Work

This 3/4-inch bolt is perfect for medium to heavy-duty connections on tractors, implements, and shop-built equipment. You’ll find this size holding together everything from three-point hitch components to loader brackets and cultivator frames. The 3-inch length gives you plenty of thread engagement when you’re sandwiching multiple pieces together or working with thick mounting plates.

Made to Last

Grade 5 bolts offer the sweet spot between strength and cost—they’re about 25% stronger than hardware store bolts but won’t break the budget like Grade 8. 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

Always use a flat washer under the nut to distribute the load properly and prevent pull-through. The square neck needs to bite into the material, so make sure your hole isn’t oversized. A little anti-seize compound on the threads makes future removal much easier, especially if the connection might see road salt or chemicals.

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