Q14-89t45 Standard Drop Center Ballistic Rock Button Drill ...
1) It suitable for all kinds of rock-Soft rock, loose-medium rock, hard rock and any other special formations. 2) It is divided into planar and concave heart-shaped, easy return type, easy to return to the concave heart-type. 3) It is equipped with rock drilling machines. 4) Our drill bits are exporting to Middle East, South Africa, Europe ...
Get Price