Product name: 4inch High Air Pressure DTH Down The Hole Hammer With COP44 Shank For Quarry
Product category: Drilling rig accessories
Matched hammer: Hammer COP44
Connection thread: API 2 3/8 REG
Working pressure(bar): 10~25
Outer diameter(mm): 99
Weight(KGS): 40.7
Bit diameter recommend(mm): 115~130
Designed to deliver exceptional results, the DTH hammer guarantees improved drilling efficiency, enabling faster and more precise operations. Its reliable and durable parts contribute to increased productivity and reduced downtime. We strongly recommend our DTH hammer as a must-have tool for drilling applications. Rest assured, this high-quality product will exceed your expectations by providing superior performance and unmatched durability. Get ahead of the competition and maximize your drilling potential with our reliable and efficient DTH hammer.
High air pressure DTH hammer with COP44 shank details:
Rock drilling tools manufacturer KINGDRILLING DTH hammers are available in sizes from 2" to 33" for Down The Hole hammer bits are available in sizes from 2" to 48", with all shanks, multiple face, and with a variety of tungsten carbide button styles to suit a wide variety of drilling conditions and rock formation.
High air pressure DTH hammer with COP44 shank technical parameters:
| Model | OD (mm) | Hole range (mm) | Length (mm) | Connection
Thread | Working
pressure (Mpa) | Air Consumption | Weight (Kg) |
| MH35D | 82 | 90~115 | 888 | API2-3/8"REG | 1.0~1.5 | 1.0Mpa-3.8m3/min | 1.5Mpa-7.5m3/min | 25 |
| MH40D | 99 | 110~135 | 1011 | API2-3/8"REG | 1.2~2.0 | 1.0Mpa-6m3/min | 1.8Mpa-10m3/min | 2.4Mpa-15m3/min | 43.2 |
| MH50D | 125 | 135~155 | 1110 | 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 | 69 |
| MH60D | 142 | 155~203 | 1238 | API3-1/2"REG | 1.5~3.0 | 1.0Mpa-9m3/min | 1.8Mpa-18m3/min | 2.4Mpa-26m3/min | 98 |
| MH80D | 180 | 195~254 | 1359 | API4-1/2"REG | 1.5~3.0 | 1.0Mpa-12m3/min | 1.8Mpa-22m3/min | 2.4Mpa-28m3/min | 175 |
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 fundamental distinction between top hammer and down-the-hole drilling methods is the location of the hammer. During the down-the-hole drilling method, the hammer in the industrial equipment makes contact with the bit. The action of the top hammer drilling method 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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