DTH Hammer

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http://www.wt-dthtools.com/dth-drilling-tools/dth-hammer/ *Product Description
Product锛歋D8 DTH Hammer
Shank: SD8
Material: Fine Alloy Steel
Size锛? inch
Outside Diameter: 180 mm
Length without Bit: 1356 mm
Thread: API 4 1/2鈥?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
*Application: 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 i

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