Description
If you’ve ever had a pulley, sprocket, or gear slip on a shaft when you’re right in the middle of a job, you know how frustrating it can be. This little steel key might not look like much, but it’s what keeps rotating parts locked in place on shafts. When the old one shears or wears out, everything stops working until you replace it.
What You’re Getting
- Precision-cut 5mm x 5mm square profile that fits standard keyways perfectly
- High-grade steel construction that handles the torque and shock loads of farm equipment
- Clean, square edges that won’t damage shaft keyways during installation
- Standard length that can be trimmed to fit your specific application
Built for Real Farm Work
Square steel keys like this one are used throughout agricultural equipment—from PTO shafts and hydraulic pumps to gear boxes and drive pulleys. You’ll find them in everything from hay balers and mowers to tillage equipment and manure spreaders. Any time you need to lock a rotating part to a shaft, there’s likely a key doing that job.
Made to Last
Farm equipment puts keys through a lot of abuse with constant vibration, shock loads, and weather exposure. This key is made from quality steel that’s tough enough to handle those conditions without shearing when you need it most. It’ll hold up to the twisting forces and impacts that come with agricultural work.
Good to Know
Keys are sized to fit both the shaft and the part that goes on it, so make sure you measure the keyway before ordering. Most can be trimmed to length with a hacksaw if needed. Keep a few extras on hand—they’re cheap insurance against downtime, and you never know when one will let go at the worst possible moment.



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