Description
When you’re building or fixing equipment that’s going to take a beating in the field, you need fasteners that won’t let you down. This Grade 8 hex bolt is the top-tier choice for connections that absolutely have to hold—stronger than what you’ll find at the hardware store and built to handle the stress that comes with farm work.
What You’re Getting
- Grade 8 steel construction provides maximum strength for critical connections
- Zinc plating protects against rust and corrosion in outdoor conditions
- 5/16-inch diameter with standard UNC threads for reliable fit
- 2-1/2 inch length handles most medium-duty through-bolt applications
- Direct replacement quality that meets or exceeds OEM specifications
Built for Real Farm Work
This 5/16-inch bolt size hits the sweet spot for many tractor and implement connections—bigger than light-duty fasteners but not overkill for most applications. You’ll find this size commonly used in brackets, guards, smaller implement attachments, and anywhere you need solid holding power without the bulk of larger bolts.
Made to Last
Grade 8 bolts are the strongest standard fasteners you can get—significantly tougher than Grade 5 and way stronger than hardware store Grade 2 bolts. The zinc coating helps them stand up to moisture, fertilizers, and road salt so they won’t rust out on you in a season or two.
Installation Notes
Always use a flat washer under the head and nut to distribute the load properly. A little anti-seize compound on the threads makes future removal much easier, especially if the connection might see heat or road salt. Grade 8 bolts require proper torque specs—don’t over-tighten and risk stripping the threads.
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