Article · Wikipedia archive · Last revised Jul 8, 2026

Keps nut

A Keps nut,, is a nut with an attached, free-spinning washer.

Last revised
Jul 8, 2026
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Keps nuts source ↗

A Keps nut, (also called a k-lock nut1 or washer nut), is a nut with an attached, free-spinning washer.

It is used to make assembly more convenient. Common washer types are star-type lock washers, conical, and flat washers.1

'Keps' trademark

Keps is a trademark of ITW Shakeproof. The name comes from "kep" in Shakeproof, and the "s" is because usually more than one are purchased.2

References

References

Notes

  1. McMaster, p. 3125.
  2. Glossary of Terminology Related to Nuts and Bolts, retrieved 2008-11-25.

Bibliography

  • McMaster-Carr catalog (114th ed.), McMaster-Carr.