DTH Drilling Tools
GONAR has been operating on the international market since 1974. They have almost 50 years of experience manufacturing mining, tunneling & geotechnical tools. Using only quality raw materials from European suppliers, in combination with in-house heat treatment processes, in high-tech innovative production facilities, Gonar can guarantee assured quality.
Gonar’s Quality department is fully equipped to provide dimensional and metallurgical verification and materials mechanical testing. The Sintering Plant producing carbides in controlled vacuum ovens, assuring the highest product quality. These facilities support R&D of new products and the ability to provide a quick prototype turn-around.
All of our DTH hammers are tested at assembly to ensure customer satisfaction. To sum up we are a dynamic company aiming to become leaders in technology and product innovation.
Download our brochure
gonar top hammer GON350
Suitable for operation at air pressure of 100–360 psi (7 – 25 bar). The hammer can be tuned to increase flushing during the hammer cycle by changing the choke.
gonar top hammer GON400
Suitable for operation at air pressures of 100–435 psi (7 – 30 bar).
gonar top hammer GON500
Suitable for operation at air pressures of 100–435 psi (7 – 30 bar). The hammer can be tuned to increase flushing during the hammer cycle by changing the choke.
gonar top hammer GON600
Suitable for operation at air pressures of 100–435 psi (7 – 30 bar). The hammer can be tuned to increase fl ushing during the hammer cycle by changing the choke.