Roller Bolts Roller bolts can be used for lifting and lowering of tunnel segments in to place. More specifically designed for SGI segments, the roller bolt can be bolted into pre-existing fitted segments, and by using winches and winch ropes looped through the roller bolt, you can safely locate.
Winches Specialist Plant have a selection of haulage winches, geared towards towing (pulling skips and bogies along tracks, for example). Winches can be supplied with winch ropes, swaged eye one end, with fused and tapered rope end attached to the drum.