Description
When you’re fixing machinery out in the field or doing maintenance in the shop, you need bolts that’ll hold up to the job. This Grade 5 hex bolt is the workhorse fastener that’s perfect for most tractor repairs and implement work. With its 1/2-inch diameter and 4-inch length, it’s sized right for medium-duty applications where you need more holding power than a standard bolt can provide.
What You’re Getting
- Grade 5 strength rating means it’s about 50% stronger than standard Grade 2 bolts
- Zinc-plated finish resists corrosion and gives you that clean, professional look
- UNC (Unified National Coarse) threads for maximum holding power and easy threading
- Standard hex head design works with any socket or wrench you’ve got on hand
- Four-inch length gives you plenty of grip for thicker brackets and mounting points
Built for Real Farm Work
This is the kind of bolt you’ll find holding together implements, securing brackets to tractor frames, and mounting everything from hydraulic cylinders to PTO shields. It’s perfect for those jobs where a regular bolt just isn’t quite strong enough, but you don’t need the expense of Grade 8. Whether you’re working on plows, discs, planters, or loaders, this bolt handles the stress without breaking your parts budget.
Made to Last
The zinc coating protects against rust and corrosion, which means these bolts will look good and perform well even after exposure to moisture, fertilizer, and road salt. Grade 5 steel gives you the strength to handle vibration and stress loads that come with farm equipment operation.
Good to Know
The 1/2-inch diameter means you’ll need a 3/4-inch socket or wrench. Always check your torque specs for the application – Grade 5 bolts can handle more torque than standard bolts, so don’t be afraid to tighten them properly. Keep a few extras in your toolbox since this size and length sees heavy use in ag applications.






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