Detail & Specs
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Metric Free Spinning Washer Nut
Spin Nuts turn freely during install until the conical washer is compressed against the mating surface as the nut is tightened.
The locking tension created by the compressed washer helps prevent the nut from loosening during vibration while distributing the locking force over a larger surface area.
Reusable, offer a one-piece solution versus using a separate lock washer and a nut.
Zinc Plated and Yellow Zinc Plated finishes provide corrosion resistance without sacrificing strength. Black oxide provides minimal corrosion resistance, best for dry environments.
Also known as metric hex nut with non-removable captivated / captive washer.
