High Clamping Force Hollo-Bolt for Structural Connections
Hollo-Bolt, the original expansion bolt for structural steel
offers a faster alternative to conventional SHS/HSS connection
methods such as welding or through-bolting, enabling contractors
to reduce construction time and labour costs.
The larger sizes M16 & M20 (5/8” & 3/4”), are optimised
for structural connections and feature a patented High Clamping
Force (HCF)mechanism to produce three times more clamping force
than the same sized product without the mechanism. The
significance of increased clamping force is illustrated in the
For product specification data, please download the Brochure
from the menu to the left.