China Downhole Rock Drilling Tools Br1 Br2 Br3 DTH Hammer and Bit, Find details about China DTH Hammer, Down The Hole Hammer from Downhole Rock Drilling Tools Br1 Br2 Br3 DTH Hammer and Bit
Hammer size | Shank type | Recommended DTH bits diameter | Working pressure |
3.5"/3" DTH hammer | COP32, COP34, DHD3.5, MISSION30 | 90mm - 105mm | 8-30 bar |
4" DTH hammer | DHD340, QL40, MISSION40, SD4, TD40, COP44, COP44 GOLD, COP42 | 110mm - 130mm | 8-30 bar |
5" DTH hammer | DHD350, QL50, MISSION50, SD5, TD50, COP54, COP54 GOLD | 134mm - 152mm | 8-30 bar |
6" DTH hammer | DHD360, QL60, MISSION60, SD6, TD60, COP64, COP64 GOLD, COP66 | 152mm - 203mm | 8-30 bar |
8" DTH hammer | DHD380, QL80, MISSION80, SD8 | 203mm - 305mm | 8-30 bar |
10" DTH hammer | SD10, Numa100 | 240mm - 311mm | 17-24 bar |
12" DTH hammer | DHD112, SD12, QL120, Numa120 | 311mm - 445mm | 17-24 bar |
Down The Hole rock drilling tools | Top hammer rock drilling tools | Self drilling anchor system | Drag bits |
![]() | ![]() | ![]() | ![]() |
- DTH hammers - DTH bits - DTH drill pipes - Odex and Symmeric drilling | - Taper drill bits and rods - Threaded buttons bits and drill rods - Shank adapters - Couplings | - Threaded hollow anchor bars. - Accessories ( drill bit, coupling, nut, plate, centralizer etc.) | - Step drag bit (3 wings, 4 wings ) - Chevron drag bit (3 wings, 4 wings ) |
Application | Application | Application | Application |
Mining, quarry, water well drilling, geothermal drilling, construction foundation work etc. | Mining, quarry, construction foundation work | tunnel roof support, slop stability, Soil nailing, rock bolting, micropile etc. | mining, water well drilling, geothermal drilling etc. |