Now we deliver our largest packer

Published on: 6 November, 2020 by Thorbolt

Complete system with 1m packer, hydraulic pistons and hydraulic units

GMA AB launches its own dynamic rock bolt, the GE-Bolt (GMA Elongation Bolt)

Published on: 4 November, 202028 April, 2021 by Thorbolt

After manufacturing 2.5 million dynamic rock bolts as a subcontractor, GMA is now taking the step to market its own rock bolt, the GE bolt. In addition to rock bolts, GMA has various attachment expanders for the tunnel and mining industry. Interested? Welcome to contact us for more information....

We building new part of factory

Published on: 26 November, 201726 November, 2017 by Thorbolt

Ground is being dug for a new part of the GMA factory

Do you have this kind of problem?

Published on: 21 December, 201621 December, 2016 by Thorbolt

We can probably help you. We have designed a new product that will make it easier to insert the packer into holes with flushing water. We have constructed packers with a guide at the front which centers the packer into the hole and simplifies the installation of the packer....

New layout GMA AB

Published on: 23 November, 201529 November, 2015 by Thorbolt

New colors and design for GMA AB web 30 th of november is the date when we release it