Rock Drilling Tools DHD112 SD12 NUMA120 NUMA125 DTH hammers For Foundation Water Well drilling
"Down The Hole" (DTH) hammers provide the most versatile and cost effective rock drilling method available to date.
Drilling Supply offers an extensive range of DTH hammers suitable for a wide variety of drilling techniques and environments.
1. Product Features
2. Detailed structure information
DHD1120 | SD12 | NUMA120 | NUMA125 | |
Length(less bit) | 1880mm | 1880mm | 1880mm | 1900mm |
Weight (less bit) | 474.0kg | 487.0kg | 475.00kg | 480.0kg |
External diameter | 275mm | 275mm | 275mm | 275mm |
Bits shank | DHD1120 | SD12 | NUMA120 | NUMA125 |
Bits diameter | 305mm-445mm | 305mm-445mm | 305mm-445mm | 305mm-445mm |
Connection thread | API 6 5/8" Reg | API 6 5/8" Reg | API 6 5/8" Reg | API 6 5/8" Reg |
Air pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa |
* Hammers without footvalve are available.
* External diameter of hammer is adjustable according to customers' requests.
* Shock absorbers and Hexagonal Joints are available.
3. Product Application
-----Quarrying, construction, civil engineering, mining
-----Water well drilling
-----Foundation Drilling
4. Site information