Description
When you’re fixing implements or building custom brackets, you need fasteners that won’t quit on you mid-season. This Grade 5 carriage bolt gives you that solid, reliable connection you can count on, whether you’re mounting guards on a disk harrow or securing wear plates on a scraper blade. The smooth, rounded head sits flush and won’t catch on things, while the square shoulder grips tight to prevent spinning.
What You’re Getting
- Grade 5 strength rating handles the heavy loads and vibration that come with farm work
- 4-inch length reaches through thick steel brackets and wooden components with room for washers and nuts
- Zinc coating fights off rust and corrosion from moisture and fertilizer exposure
- Square shoulder design locks into place so the bolt won’t turn while you tighten the nut
- 1/2-inch diameter with standard UNC threads fits common agricultural hardware
Built for Real Farm Work
This size bolt is perfect for medium-duty connections on cultivators, planters, mowers, and tillage equipment. You’ll find it handy for mounting skid shoes, securing brackets, and assembling custom attachments where you need something stronger than a regular hardware store bolt but don’t need the expense of Grade 8.
Made to Last
The zinc plating holds up better than plain steel in the tough conditions your equipment faces every day. Grade 5 steel gives you the right balance of strength and cost-effectiveness for most farm applications, and the carriage bolt design distributes load evenly across the connection.
Good to Know
The square shoulder needs to fit into a square or round hole to work properly – if the hole’s too big, the bolt will just spin. A quick tip: when drilling new holes, use a step bit or punch to get a clean square hole that’ll grip the shoulder tight. Always use a flat washer under the nut to spread the load and protect the material you’re bolting through.
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