Description
When you’re working on tractors and implements that take a beating every day, you need fasteners that can handle the punishment. This 3/8″ x 2-1/2″ Grade 8 hex bolt is the kind of heavy-duty hardware that won’t let you down when you’re fixing loader mounts, three-point hitches, or cultivator frames. The zinc coating keeps rust at bay, so these bolts will still look good and turn easily next season.
What You’re Getting
- Grade 8 strength rating—about 50% stronger than Grade 5 bolts you’ll find at most farm stores
- Zinc coating protects against moisture and road salt so threads stay clean and easy to remove
- UNC thread pitch matches standard equipment bolts—no hunting for odd thread patterns
- 2-1/2 inch length is perfect for bolting through thick steel plates or sandwiching multiple pieces
Built for Real Farm Work
This size bolt shows up all over farm equipment—securing cultivator shanks, holding loader bucket pivot pins, mounting hydraulic cylinders, and reinforcing implement frames. You’ll find these bolts holding together everything from three-point hitch components to loader mounts and cultivator frames. The 3/8″ diameter gives you serious holding power without being overkill for lighter connections.
Made to Last
Grade 8 bolts are heat-treated to handle high stress and constant vibration—the kind of abuse farm equipment dishes out daily. 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. These are the same quality fasteners equipment manufacturers use in their factories.
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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