Spear bolts and the accompanying cast-in sockets fulfil the same function as curved bolts (permanently fix concrete tunnel segment) whilst being easier to install. A major advantage of the spear bolt is that following installation only one pocket per bolt requires finishing.
Cooper & Turner manufacture a complete range from M16 to M30 diameters. Lengths can be made to suit customer requirements.
Both mild steel 4.6 and high tensile 8.8 strength grades are available in either a galvanized or sherardized finish.
The combined forces of the Cooper and Turner and MBW means that the ‘Group’ has been at the forefront of structural bolting manufacture for more than 160 years.
Cooper & Turner has a long history of supplying tunnel bolts to the mining and tunnelling industry.
We manufacture a complete range of track fasteners for the rail market. The quality and diversity of this product makes them suitable for the world’s railways.
We manufacture, stock & distribute highly engineered petro-chemical grade studbolt assemblies and fasteners for critical applications in the petro chemical and processing Industries.
MBW offers a full service to ‘Original Equipment Manufacturers’ (OEM's) from straightforward manufacture and supply to complete Direct Line Feed (DLF) solutions.
Cooper & Turner Ltd and MBW Ltd have more than 25 years experience of manufacturing and exporting product globally.