Used threading in Liaoning, China

High Quality DHT Hammer ND85A SP880 8" 8 Inch ND Valveless Series DTH Hammer Air Pressure Down The Hole Hammer

• Manufacturer: Unknown

This high air pressure DTH hammer work without foot valve is designed and developed by our own, which is the one of the most advanced DTH hammer in the world. It has following advantages: 1.Avoid the problem happ...