We have a long history of being a leading manufacturer and supplier of specialist bolts to the tunnelling industry.
We are experienced designers and manufacturers of high integrity connection and embedded accessories for concrete segmentally lined tunnels.
Our production and distribution facilities in North America, Europe, and Asia make us perfectly positioned for your requirements.
With full ‘in-house’ facilities, we are capable of manufacturing a comprehensive range of tunnelling products. The fastener range includes sizes from M12 to M100 as standard and we are able to manufacture special fasteners for bespoke requirements and to customer specific drawings.
We have expertise in the manufacture and moulding of products for the global tunnelling industry offering contractors a ‘one-stop shop’ for a comprehensive range of tunnelling bolts and plastic fittings, including bolt sockets, dowels, spacers, grout/lifting sockets, plugs and non-return valves.
Our products are supplied, packed and labelled to global export standards with all the necessary documentation.
Tunnelling product videos
We have developed 3D animations for the bolting system, the magnetic socket holder and the anchored guide rod.