Cop44 series DTH button bits,diameter 4.5"~6" using 23CrNi3Mo steel and YK05 carbide Product Description Cop series is a kind of high air pressure DTH ...
HD25,Br2,series dwon the hole bits using mid air pressure fo blashing hole drilling Product Description QIDELI Thread Button Bit is made by the best ....
DHD340 series dth button bits , dia 4.5" (115mm) for onpencase mining borehole DHD340 series is widely used in mine drilling, and it is the most used ...
DHD360 series dth drill bits diameter from 152~235mm for water well drilling and mining equipments DHD360 series is widely used in well drilling. In ....
Cop64-165mm water well drilling bits Use high strength carbide and steel Cop64-165 mm drilling bits is usually using on water well drilling. The hole ...
Drill bits for HD65 series dth hammer diameter range 152/165/178/190/203mm The 6 "series are divided into DHD360, COP64, QL60, MISSION60, HM6, SD6 and ...
M60-165MM drill bit for mission60 series hammer. driil bits using one drilling rig. Mission series is DTH hammer&bits designed by group. This series ....