China 8" High Air Pressure DTH Hammers, Find details about China DTH Hammers, Down The Hole Hammer from 8" High Air Pressure DTH Hammers
DHD380 COP84 | SD8 | QL80 | |
Length(less bit) | 1492mm | 1463mm | 1465mm |
Weight (less bit) | 188.0kg | 192.0kg | 182.00kg |
External diameter | 180mm | 180mm | 185mm |
Bits shank | DHD380 COP84 | SD8 | QL80 |
Bits diameter | 200-279mm 7 7/8" - 11" | 200-279mm 7 7/8" - 11" | 200-279mm 7 7/8" - 11" |
Connection thread | API 4 1/2" Reg | API 4 1/2" Reg | API 4 1/2" Reg |
Air pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa |