Swellex™ bolting is a 100% guarantee of reliability, efficiency and long service life

 The article presents Swellex roof bolting of Atlas Copco. It is proved that this kind of bolts guarantees high load-bearing capacity, long service life (from several months to several decades), easy installation process. The description is given of the bolt design and materials for its manufacture. It is emphasized that tunnels for Olympic Sochi have become the first construction projects, where the bolts are used.