Description
When you’re out in the field or making repairs back at the shop, you need fasteners that won’t let you down. This 5/8 inch Grade 5 hex bolt is the kind of reliable hardware that keeps your equipment running strong. Whether you’re replacing worn bolts on a loader attachment, securing implement brackets, or handling general repair work, this zinc-plated bolt gives you the holding power and corrosion resistance farm work demands.
What You’re Getting
- Grade 5 strength rating handles heavy loads and vibration without loosening
- 5-inch length is perfect for thick brackets and structural connections
- Zinc coating fights rust and corrosion in wet field conditions
- UNC thread pitch matches standard equipment specifications
- 5/8 inch diameter provides excellent clamping force for demanding applications
Built for Real Farm Work
This versatile bolt size shows up all over farm equipment – from three-point hitch components and loader mounts to cultivator frames and mower deck assemblies. You’ll find 5/8 inch bolts holding flail mower knives and securing implement attachments that take a beating in the field. When you’re working on tractors, tillage equipment, or hay machinery, having quality fasteners like this on hand means less downtime and more reliable repairs.
Made to Last
Grade 5 bolts offer the sweet spot between strength and cost for most farm applications. The zinc plating adds an extra layer of protection against moisture, fertilizers, and road salt that can eat through untreated hardware. This bolt is built to handle the constant vibration and stress cycles that come with agricultural work, so you’re not constantly retightening connections or dealing with failed fasteners.
Good to Know
Always use a properly sized wrench and apply the correct torque – over-tightening Grade 5 bolts can actually weaken the connection. This bolt replaces part numbers 120-814577, 50585, and 19H2076, making it a direct replacement for many OEM applications. Keep a few extra on hand in your parts bin – you’ll be glad to have them when something breaks down during busy season.






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