A locknut, also known as a lock nut, locking nut, self-locking nut, prevailing torque nut, [1] stiff nut[1] or elastic stop nut, [2] is a nut that resists loosening under vibrations and torque. …

Mar 13, 2025 · The locknut is also called a lock nut, locking nut, or prevailing torque nut. It is a nut that shows resistance for loosening if high pressure and torque are applied.

Dec 18, 2025 · A locknut, often referred to as a self-locking nut, is a specialized type of fastener engineered to resist loosening when exposed to external forces like vibration, thermal cycling, …

Choose from our selection of locknuts, including over 7,300 products in a wide range of styles and sizes. Same and Next Day Delivery.

For more than four decades, STS Industrial has supplied high-quality lock nuts to industries where safety, reliability, and performance cannot be compromised.

Shop through a wide selection of Locknuts at Amazon.com. Free shipping and free returns on Prime eligible items.

Feb 10, 2025 · Locknuts are a type of prevailing-torque fastener that resists loosening under vibration and torque. They differ from standard nuts because they typically have friction …

This proven design is the ultimate all-metal locknut with the highest resistance to loosening of any reusable one piece nut. It works by allowing the crimped slotted top section to expand and grip …

Abbott Interfast has manufactured and supplied high quality locknuts to fit a wide variety of applications since 1948! Click here for information and request a quote!

Aug 5, 2020 · What are Lock Nuts? A lock nut, also referred to as locknut, locking nut, and self-locking nut, is a kind of fastener that used to secure bolted joints and resist loosening under …