Product Name: 238mm MRE190 DHD360 Hammer Shank Symmetric Concentric Casing Drilling System For Coal Mining

Matched hammer: Hammer DHD360

Matched casing pipe OD: 190mm

MRE Concentric under reaming drilling system

MRE Concentric Casinging 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.

Durability is also a key aspect of the MRE Drill Bit. Crafted from durable materials, it is built to withstand rigorous use and provide a long service life. This longevity minimizes the need for frequent replacements, ultimately saving you time and money in the long run.

MRE Drill Bit is a must-have tool for professionals seeking high drilling quality, fast driving speed, and exceptional working efficiency. With its customizable options and long-lasting performance, this drill bit is a reliable choice for any drilling project. Invest in the MRE Drill Bit today and experience the difference it can make to your operations.

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:

1. High quality: Many large Chinese factories are our partners. We are able to offer you the highest caliber merchandise.
2. Competitive pricing: Due to direct factory pricing, the price is competitive.

3. Quick delivery: the production process typically takes 20 days.merely three or five days if the size of your order is in stock.

4. The best quality control is provided by our in-house, skilled QC staff. Every order will undergo a rigorous inspection and testing process before being shipped.
5. Competence to address problems: This competence stems from dependable sales and extensive expertise in the drill bit sector.
6. OEM and OEM service: We'll take good care of your personal product inquiries.
7. Best after service: If necessary, we will visit your home to assess the situation and address any issues.

Feature:
1. High-quality steel components.
2. To forge Kingdrilling DTH tools, a cutting-edge electron-hydraulic forging hammer is used.
3. Advanced heat treatment equipment includes multipurpose furnace heat treatment.
4. Molding (tooling) departments that are fully operational and have a huge inventory of molds.
5. A knowledgeable research and development staff, a completed quality system, and severe quality assurance methods.

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:

Wuhan Kingdrilling Diamond CO., LTD, located in Wuhan East Lake High-tech Development Zone, is one of the most professional private enterprise specialized in researching and producing ODEX casing drilling system, symmetric casing drilling system, DTH hammer, DTH drill bits, Thread bits, Shank adapter, Drilling rods, Coal mining tools, Coupling sleeve, Anchoring and so on.

Relying on the university resources and talent advantages in Optical Valley region, combining with multiple laboratories in universities, we focused on developing the newest products system.

We produce DTH drilling tools with advanced technology from Britain, a completed manufacturing system has been formed in plant. The company is equipped with advanced production facilities including electron-hydraulic forging hammer, multipurpose furnace heat treatment production line, high performance CNC machines, all processes from raw materials prepared, forging, heat treatment, metal processing are completed in the factory. Strict quality control standards make sure stable quality.

Whatever in construction, engineering, piling, waterwell drilling, tunnelling, mining, quarrying or horizontal drilling industry. KINGDRILLING will always do the best to meet your demands. "Kingdrilling, Keep On Striving",  we’ll always be in this line to serve our customers the most reliable products and the best support.