Product name: 12inch high air pressure DTH hammer with SD12 shank for construction
Product category: Drilling rig accessories
Matched hammer: Hammer SD12
Connection thread: API6-5/8"REG
Working pressure(bar): 10~25
Outer diameter(mm): 275
Weight(KGS): 480
Bit diameter recommend(mm): 305~350
High air pressure DTH hammer with SD12 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 SD12 shank technical parameters:
Model | OD (mm) | Hole range(mm) | Length (mm) | Connection Thread | Working pressure (Mpa) | Air Consumption | Weight (Kg) | ||
MH40SD | 99 | 110~135 | 1012 | API2-3/8"REG | 1.2~2.0 | 1.0Mpa- 6m3/min | 1.8Mpa- 9m3/min | 2.4Mpa- 14m3/min | 40 |
MH50SD | 125 | 155~190 | 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 | 70 |
MH60SD | 146 | 155~203 | 1182 | API3-1/2"REG | 1.5~2.5 | 1.0Mpa- 9m3/min | 1.8Mpa- 18m3/min | 2.4Mpa -26m3/min | 90 |
MH80SD | 180 | 195~254 | 1330 | API4-1/2"REG | 1.5~3.0 | 1.0Mpa- 12m3/min | 1.8Mpa- 22m3/min | 2.4Mpa- 28m3/min | 174 |
MH100SD | 226 | 254~311 | 1525 | API6-5/8"REG | 2.0~3.5 | 1.0Mpa- 22m3/min | 1.8Mpa- 40m3/min | 2.4Mpa- 65m3/min | 316 |
MH120SD | 275 | 305~445 | 1860 | API6-5/8"REG | 2.0~3.5 | 1.0Mpa- 28m3/min | 1.8Mpa- 50m3/min | 2.4Mpa- 71m3/min | 480 |
How to order?
Shank Type + Top Sub Thread + (With/Without Valve, if this parameter is optional)
Kingdrilling DTH Hammer advantages:
1. High-frequency hammer design for faster penetration,
2. improved steerability
3. simpler flushing,
4. less impact to sensitive electronics
5. manufactured using superior kingdrilling heat treat processes
FAQ:
1. What is rock drilling?
Rock drilling tools include those used for oil and natural gas exploration, mining, construction, and all other industrial operations that need to excavate or drill through natural rocks, concrete, and masonry.
2. What is the weakest rock in the world?
Loess is formed from fine (small) grained, windblown sediment in glacier or desert areas. Loess is made of mostly silt but may also have some small amounts of sand and clay. The major mineral present is quartz with minor amounts of feldspar, calcite, dolomite, and clay.
3. What is DTH bit?
Down-the-hole (DTH) hammer bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a splined drive for rotating the bit in the ground.
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