Description
When you’re fixing implements, mounting brackets, or rebuilding equipment, you need bolts that won’t leave you stranded halfway through the job. This Grade 5 hex bolt gives you the strength to handle farm work without the high cost of Grade 8 when you don’t need the extra muscle. The zinc coating keeps rust at bay, which matters when you’re working around fertilizer, chemicals, and moisture.
What You’re Getting
- Grade 5 strength rating handles most farm applications without breaking the bank
- Zinc coating protects against rust and corrosion in harsh farm conditions
- Standard UNC threading works with common nuts and threaded holes
- 3-inch length gives you plenty of thread engagement for secure connections
- 3/8-inch diameter fits common bracket holes and mounting points
Built for Real Farm Work
This bolt size shows up all over your equipment – from implement mounting brackets to loader attachments, cultivator shanks to planter components. It’s the right size for medium-duty connections where you need more holding power than a 5/16-inch bolt but don’t need the heavy-duty strength of a 1/2-inch fastener.
Made to Last
Grade 5 bolts are heat-treated for a good balance of strength and cost. The zinc plating helps them survive the spray from road salt, fertilizer dust, and the general moisture that comes with farm life. They’ll hold up season after season in most applications.
Good to Know
Always match your nut grade to your bolt grade for the best holding power. Use a torque wrench when tightening critical connections – over-tightening can actually weaken the joint. Keep a few extras in your toolbox since this size seems to disappear right when you need it most.






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