| After-sales Service: | Supplied |
|---|---|
| Warranty: | 1 Year |
| Type: | Mining Industry |
| Certification: | CE, ISO9001: 2000 |
| Condition: | New |
| Brand Name: | Wontech |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Product:SD8 DTH Hammer
Shank: SD8
Material: Fine Alloy Steel
Size:8 inch
Outside Diameter: 180 mm
Length without Bit: 1356 mm
Thread: API 4 1/2" REG PIN (RIGHT)
Working Air Pressure: 10~25 bar
Recommended Rotary Speed: 20~45 r/min
Impact Rate at 17 bar: 20 Hz
Air Consumption: 964 cfm/246.6 psi, 1536 cfm/348 psi
Net Weight: 191.05 kg/pc
Water Well Drilling, Exploration Drilling, Foundation and Geotechnical Drilling, Geothermal Drilling
A. WONTECH SD8 HAMMER is normally applied in drilling water wells, geotechnical engineering holes, piling holes, and so on.
B. It's designed to work with SD shank bit with foot valve to meet the local market and varies on its unique structure with any other international brands like Epiroc, Mincon, Sandvik and Robit, etc.
C. The top sub is threaded with API 4 1/2'' REG PIN right and can work together with all API 4 1/2'' REG BOX drill pipe. Left thread is also available.
D. The impact rate of SD8 DTH hammer reaches 20 Hz and can perfectly pass on the torque power from the drill pipe to the hammer and finally to the bits so that to break the rock efficiently.
E. All key spare parts like a top sub, piston, driver sub, and outer cylinder have to be put in the heating oven and change their internal particle structure in order to gain the most stable and tough physical performance. This helps gain a longer service life.
Suppliers with verified business licenses
Audited Supplier 
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