GMA currently has a program of its own products for rock reinforcement, including the patented Thorbolt and accessories for Thorbolt and rock bolts such as washers, nuts, and hemispheres. GMA also has several other accessories related to rock reinforcement, such as removable mounts, packers for SDA bolts, and various generic wear parts.
In addition to manufacturing its own products for this division, GMA also acts as a subcontractor of rock bolts to other suppliers in the category, where many models and variants of rock bolts are manufactured in our flexible factory.
See more under each product area below.