Description
When you’re mounting moldboards, securing cultivator shanks, or replacing worn hardware on tillage equipment, you need bolts that can handle the stress. Grade 5 bolts offer the sweet spot between strength and cost—they’re about 25% stronger than Grade 2 hardware store bolts but cost less than 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. This No. 3 plow bolt is specifically designed for the demanding conditions of farm work.
What You’re Getting
- Grade 5 strength that’s built for the real world—stronger than hardware store bolts but not overkill for most farm applications
- Zinc plating that fights off rust and corrosion from field moisture and road chemicals
- UNC (coarse) threads that go together easier in dirty conditions and resist cross-threading
- 1-1/4 inch length that’s perfect for standard plow and tillage tool mounting
Built for Real Farm Work
This is a true plow bolt, meaning it’s designed specifically for attaching shares, moldboards, and other tillage components that take a beating in rocky or tough soil conditions. The 1/2-inch diameter gives you plenty of strength for medium-duty connections without being oversized for the job. You’ll find this size used throughout tillage equipment from compact tractor implements to mid-size field cultivators.
Made to Last
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. Grade 5 steel provides the right balance of strength and toughness for agricultural use—hard enough to resist bending under load but not so brittle that it’ll snap if you hit a rock.
Installation Notes
Always use a flat washer under the head and nut to distribute the load properly. If you’re replacing rusted bolts, clean out the threads with a tap if needed. A little anti-seize compound on the threads makes future removal much easier, especially if the connection might see heat or road salt.
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