Description
Every farmer knows the frustration of a loose pulley, collar, or coupling that starts slipping just when you need it most. Whether it’s a PTO shaft collar working loose or a bushing that won’t stay put, this little set screw can save you from a breakdown in the middle of hay season. These zinc-plated set screws lock parts in place and keep them there, no matter how much vibration your equipment dishes out.
What You’re Getting
- 5/16″ x 3/4″ UNC thread for a secure, proper fit in standard threaded holes
- Zinc plating with yellow chromate finish resists corrosion and looks professional
- Cup point design grips shafts and pins without damaging the surface
- Heat-treated steel construction handles high clamping forces without stripping
Built for Real Farm Work
This is the kind of fastener you’ll find throughout your equipment—from loader arms to mower decks, PTO assemblies to hydraulic fittings. It’s designed for general purpose use across all types of agricultural machinery, whether you’re running a small utility tractor or a big row-crop machine. These screws are workhorses that hold critical components exactly where they need to be.
Made to Last
The zinc and yellow coating isn’t just for looks—it provides excellent protection against the moisture, salt, and chemicals your equipment faces every day. The hardened steel core won’t strip out under torque, and the cup point design distributes clamping force evenly to prevent shaft damage while maintaining a solid grip.
Installation Notes
Thread this into place with a 1/4″ hex key and tighten snug—don’t overtighten or you might damage the threads. A small drop of thread locker helps keep it in place if you’re dealing with heavy vibration. Keep a few extras in your toolbox because you’ll use them more often than you think.
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