Product name: 5inch high air pressure DTH hammer with QL50 shank for foundation
Product category: Drilling rig accessories
Matched hammer: Hammer QL50
Connection thread: API2-3/8"REG/API2-7/8"IF/API3-1/2"REG
Working pressure(bar): 10~25
Outer diameter(mm): 125
Weight(KGS): 67
Bit diameter recommend(mm): 140~152
High air pressure DTH hammer with QL50 shank details:
Kingdrilling has become The Driller’s Choice for some of the world’s small and middle mining projects, thanks to a reliable quality and high cost performance that can supply and service Kingdrilling products in even the most remote and inaccessible parts of the world.
For these customers, Kingdrilling offers a complete range of industry-leading drilling products for exploration, mining, DTH, Piling, water well drilling and blasting operations.
This strong supply chain is backed up by Kingdrilling’s dedication to its AIM principle: reliable, implement and responsibility. Using this, we are able to meet the drilling needs of our Mining and Quarrying customers, while ensuring maximum efficiency and productivity.
High air pressure DTH hammer with QL50 shank technical parameters:
| Model | OD (mm) | Hole range (mm) | Length (mm) | Connection
Thread | Working
pressure
(Mpa) | Air Consumption | Weight
(Kg) |
| MH40Q | 99 | 110~135 | 1070 | API2-3/8"REG | 1.2~2.0 | 1.0Mpa- 5m3/min | 1.8Mpa- 9m3/min | 2.4Mpa-14m3/min | 40 |
| MH50Q | 125 | 135~155 | 1090 | API2-3/8"REG/API2-7/8"IF/API3-1/2"REG | 1.3~2.3 | 1.0Mpa- 7m3/min | 1.8Mpa- 14m3/min | 2.4Mpa-19m3/min | 67 |
| MH60Q | 146 | 155~203 | 1183 | API3-1/2"REG | 1.5~2.5 | 1.0Mpa- 9m3/min | 1.8Mpa- 18m3/min | 2.4Mpa-26m3/min | 92 |
| MH80Q | 180 | 195~254 | 1330 | API4-1/2"REG | 1.5~3.0 | 1.0Mpa- 12m3/min | 1.8Mpa- 22m3/min | 2.4Mpa-28m3/min | 171 |
How to order?
Shank Type + Top Sub Thread + (With/Without Valve, if this parameter is optional)
FAQ:
1. What is hole hammer?
Pneumatic down-the-hole (DTH) hammer is a pneumatic drilling tool using compressed air as a power source. It is suitable for drilling in pebble, gravel, and hard rock strata. It is often used in building pile foundation construction, bridge, mining, geological exploration, hydrological wells, and other fields.
2. Is top hammer drilling vs down-the-hole drilling?
The primary difference between the top hammer and down-the-hole drilling methods is where the hammer is attached. The hammer in the industrial equipment makes contact with the bit during the down-the-hole drilling method. The top hammer drilling method's activity is concentrated at the very top of the drill string.
3. What is a top hammer used for?
Top hammer drills are primarily used in mining, construction and quarrying of rock material. Top hammer drilling, combined with the “drill and blast” method, makes the whole excavation process extremely efficient.
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