QL40 Bit Shank Hardened DTH Hammer For Geological Exploration Description When percussion or hammer drilling the percussion mechanism is called a DTH ...
N100A High Pressure Down The Hole Hammer Description 1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the ...
N120A Impactor OD 275mm High Pressure Down The Hole Hammer Description 1. Low problem rate and easy to maintenance due to simple, reliable and easy .....
High Pressure Down The Hole Hammer Drilling Range 305-445mm N125A Description 1. Deliver maximum energy to drilling bit, fast drilling speed and low ....
Description 1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of NM series DTH ...
3-11 Inch ND Series Down The Hole Hammer Hard Rock Drilling Tools Description: With professional manufacturing experience in DTH hammer production, .....