The Hardlock Nut

The Hardlock Nut is an anti-loosening fastener for vibration and dynamic loads. Using a wedge locking principle with two precision nuts, it maintains clamp load and prevents rotation in demanding environments. Used in rail, construction and heavy industry, it improves reliability, reduces maintenance and enhances safety by eliminating re-tightening. Simple to install, reusable and cost effective. Visit Staytite stand RB5 for a demo!