Hollow Steel Bolts
- Expanding type bolts for hollow steelwork
- Bright Zinc Plated finish
Fully tested and approved fixings for bolting to box section steels and for situations where access is restricted to one side of a steel only. The sleeve of the bolt passes through the bracket being fixed and the wall of the steel section and expands on tightening to clamp them securely together. The clamping range of the fixing indicates the combined thickness for both elements being joined together.