Wuhan Kingdrilling Diamond Co.,Ltd |
Verified Suppliers
|
|
Product Name: 155mm MRE115 Overburden Concentric Casing Drilling System With DHD340 Hammer Shank For Well Drilling
Matched hammer: Hammer DHD340
Matched casing pipe OD: 115mm
MRE Concentric under reaming drilling system
MRE Concentric under reaming drilling system is designed for unstable ground conditions. In the process of drilling, it could carry down the casing pipe to the hole to protect wall to achieve drilling work. At clockwise condition, eccentric part expanded to bring the casing tube into hole. After finished, eccentric bit closed anticlockwise and then can be lift up by the drilling machine. This type is especially suitable for diameter 114-273mm.
Model | Hole dia (mm) | Weight (KG) | Closed dia. (mm) | Pilot dia.(mm) | Length (mm) | Case dia (OD*ID) | Spline |
MK-MRE90 | 125 | 16 | 90 | 100 | 360 | 114*102 | MACH33,DHD3.5 |
MK-MRE115 | 155 | 30 | 115 | 125 | 510 | 139*127 | DHD340,SD4.QL4 |
MK-MRE140 | 188 | 52 | 140 | 151 | 570 | 168*153 | DHD350,SD5,QL5 |
MK-MRE165 | 215 | 95 | 166 | 178 | 690 | 194*181 | DHD360,SD6,QL6 |
MK-MRE190 | 238 | 108 | 190 | 203 | 690 | 219*206 | DHD360,SD6,QL6 |
MK-MRE215 | 276 | 140 | 215 | 236 | 720 | 254*240 | DHD380,SD8,QL8 |
MK-MRE235 | 293 | 160 | 236 | 251 | 730 | 273*254 | DHD380,SD8,QL8 |
MK-MRE240 | 293 | 168 | 241 | 256 | 730 | 273*260 | DHD380,SD8,QL8 |
Advantages :
1.Improved steel grade for better fatigue properties
2.Five basic front designs
3.Designs for all rock types
Product Application:
It is suitable for drilling water wells, geothermal wells, short
micro piles,medium mini-type grouting hole of building, demand
harbor project.
What we can do for you:
Feature:
1.High quality steels materials.
2.Kingdrilling DTH tools are forged by advanced electron-hydraulic
forging hammer.
3.Advanced heat-treatment equipment: multipurpose furnace heat
treatment.
4.Completed moulding (tooling ) departments with many molds
available.
5.Professional R&D team,completed quality system, strict
quality check systems.
FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with
Model number.
2. How about the common packing?
A: If there is no special packing demand, we will take it as our
normal packing. First in small carton, and then put in the bigger
carton together to make sure goods completed.
3. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy
international request.
4. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any
misunderstanding or any links from our website for a better
understanding.
5. How to control quality?
A: We have our own experienced QC team,there will be strict
inspection and testing for each order before shipping out.
6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we
have stock of your request size.
7. Shipping way:
A: Sample order: we suggest Courier express delivery such as
DHL/UPS/TNT/FEDEX or by air
Bulk order: by air or by sea we suggest.
8. Competitive price:
A:KINGDRILLING factory can supply you the lowest price due to
direct sale to customers without distributor!
More products: