ND25 Bit Shank Borewell Hammer For Downhole Drilling Equipment Description NEWDIMOND hammers Widely used in geotechnical engineering to wear all kinds ...
Description 1, using the latest contemporary rock drilling theory design of the internal structure of the impactor, the impactor to obtain the best .....
Description 1. according to China's mining conditions, to absorb the advanced technology of domestic and foreign impactor and design and manufacture ....
Description NEWDIMOND hammers Widely used in geotechnical engineering to wear all kinds of hard in the hard, hard and other hard to drill tough rock. ...
Description NEWDIMOND hammers 1, using the latest contemporary rock drilling theory design of the internal structure of the impactor, the impactor to ...
Description NEWDIMOND hammers 1, using the latest contemporary rock drilling theory design of the internal structure of the impactor, the impactor to ...
Specifications NM Series High Air Pressure DTH Hammers Without Foot Valve Technical Data Length(Without Bit) NM4A NM5A NM6A NM8A 1005mm 1110mm 1161mm ...