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[China]
Trade Verify
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Contact name:Yingkai Zhang
KSQ Technologies (Beijing) Co. Ltd |
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Verified Suppliers
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Concentric Overburden Rock Drilling Tools , Water Well Drill Bits With Blocks
Application Range
It is recommended to drill in rock formation where contains some ovals and fractures.
Design Principles
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
1.The stable and reliable working performance and the less vibration of drill rig.
2.Flexible to open and close.
Operation Procedure
1.when the drilling starts, the blocks slides down through the grooves on pilot bit,and reams to drive the casing shoes and tubes into the hole.
2.When finished the drilling in overburden rock formations, raise the drilling tools and the blocks will get closed through the grooves , and the drilling tools can be pulled out from the hole.
3. Next construction can be followed.
| Model | Outer Dia. of Casing Tube(mm) | Inner Dia. of Casing Tube(mm) | Wall thickness of casing(mm) | Reamed Dia.(mm) | Min. Inner Dia.of Casing Shoe(mm) | Hammer Type(mm) | Drill Pipes(mm) |
| 140 | 168 | 148 | 10 | 180 | 138 | COP44/DHD340/MACH44/MISSION40/ SD4/XL4/QL40 | 76/89 |
| 146 | 178 | 158 | 10 | 192 | 148 | COP54/DHD350/MACH50/MISSION50/ SD5/QL50 | 76/89 |
| 165 | 194 | 173 | 10.5 | 205 | 161.5 | COP62/COP64/DHD360/MISSION60/SD6/XL6/QL60/TD150 | 89/114 |
| 190 | 219 | 197 | 11 | 238 | 187 | 89/114 | |
| 240 | 273 | 253 | 10 | 305 | 241 | COP84/DHD380/SD8/QL80 | 114/127 |
| 280 | 325 | 305 | 10 | 350 | 282 | DHD112/QL120/SD12/NUMA120/TH12 | 114/127 |
| 365 | 406 | 382 | 12 | 425 | 365 | 127/168 | |
| 410 | 457 | 433 | 12 | 480 | 409 | 168 | |
| 460 | 508 | 483 | 12.5 | 530 | 459 | 168 | |
| 500 | 560 | 535 | 12.5 | 620 | 501 | 168 |
About us
MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ
Tecnologies (Beijing) Co. Ltd.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical
know-how in development, production, and application. The company
has adopted advanced manufacturing processes to ensure high quality
steels and tungsten carbide inserts for its rock drilling
accessories. Its personnel understand clients’ drilling needs, and
have the service skills to recommend the right drilling tools for
the job. Its experienced product developers can also create custom
tools. Furthermore, the company’s development team introduces
innovative products each year – tools that are rigorously tested in
the field and proven
to perform beyond industry expectations.
MIROC® Rock Drilling and Ground Support Tools include:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers
