Welcome to the home of Hollo-Bolt: the original expansion bolt for structural steel

     Download Hollo-Bolt Brochure
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Product Range

Hollo-Bolt & Hollo-Bolt HCF
The Hollo-Bolt is available in two versions: the original 3-part design for general hollow section connections and the larger sized 5-part High Clamping Force (HCF) version, for higher strength structural connections:

Head Variants

The Hollo-Bolt is available in multiple head types to complement diverse architectural designs:

For product specification data, please download the Brochure from the menu to the left.