Shipped 10 x 6" Rig Impact Hammers to the Philippines.This high air pressure DTH hammer work without footvalve is designed and developef by our own,which is the one of the most advanced DTH hammer in the world.

It has following advantage:
1.Avoid the problem happens on foot vale.Fracture,expansion and contraction.
2.Lower air comsumption and higher impact frequency.15-30% higher drilling efficiency than the bit with foot vale.
3.Simpler structure and less spare parts,makes easier andcheaper maintenance.
4.Heat-hardened spare parts,makes longer serving life and less problem.
5.Thread connection for top sub and drive chuck,makes easier disassembly.