Manufacture Mre115 Overburden Concentric Casing Drilling System for Tunneling Construction

• Certification: ISO 9001:2000, SGS
• Standard: GB
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Carbon Steel
• Length: 510mm
• Model NO.: MK-MRE115
• Weight: 30kg
• Hole Dia.: 155mm
• Closed Dia.: 115mm
• Transport Package: Wooden Case
• Trademark: MING
• Origin: China
• HS Code: 8207199000
• Production Capacity: 20000PCS/Year

Product Description

Manufacture MRE115 Overburden Concentric Casing Drilling System for Tunneling Construction

Product Description

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.

- Superior Wear Resistance: Made with high quality alloy steel, the Overburden Casing Drilling Bit offers exceptional durability and high wear resistance, ensuring reliable performance even in demanding drilling conditions.
- Robust Construction: Featuring a simple internal structure, this drilling bit is designed for maximum strength and longevity, providing a long service life and reducing the need for frequent replacements.
- Premium Quality Materials: Crafted from high quality alloy steel, this drilling bit is built to withstand tough drilling tasks with strong wear resistance, making it a reliable choice for drilling professionals.

 

Technical Date

 

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

Product Application

It is mainly used in the construction of mining, marble quarry blasting hole drilling, water well drilling engineering or drilling and other engineering construction.

Company Profile

Wuhan Kingdrilling Diamond CO., LTD, one of the most professional private manufacturer specialized in researching and producing Overburden casing drilling system, DTH hammer, DTH drill bits, Core bits, Thread bits, Taper bits, Shank adapter, Drilling rods, Coal mining picks and related rock drilling tools.

Relying on the university resources and talent advantages in High-tech region, combining with multiple laboratories in universities, we have more power focused on developing the newest products system.

Our DTH drilling tools are produced with advanced technology from Britain. The company is equipped with advanced production facilities including electron-hydraulic forging hammer, multipurpose furnace heat treatment production line, high performance CNC machines, from raw materials prepared, forging, heat treatment, mechanical processing, a completed manufacturing system is finished in the factory. Strict quality control standards make sure stable quality. 

Whatever in construction, engineering, piling, water well drilling, tunneling, mining, quarrying or horizontal drilling industry, KINGDRILLING will do the best to satisfy 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.

Our Advantages

1. High quality: We are the partners with a lot of big factories in China. We can provide the best quality products to you. 
2. Competitive price: Competitive price because of direct factory price. 
3. Fast delivery time: It usually takes 20 days for production.only 3 or 5 days if we have stock of your request size.
4. Best quality control: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.
5. Problems solve ability: This ability comes from rich experiences of drill bits industry and reliable sales..
6. OEM,ODM service: Your own request about product will be served well.
7. Best after service: We will go to your place to check and solve the problems if you need.

After Sales Service

1.Pre-sale service:

Act as a good adviser and assistant of clients enable them to get rich and generous returns on their investments .
1.Select equipment model;
2.Design and manufacture products according to client's special requirement ;
3.Train technical personnel for clients .

2.Services during the sale:

1.Pre-check and accept products ahead of delivery .
2. Help clients to draft solving plans .

3.After-sale services:

Provide considerate services to minimize clients' worries.
1.Complete After-sales service,professional engineers available to service machinery at home or oversea.
2. 24 hours technical support by e-mail.
3.Other essential technological service.

Packaging & Shipping

Packed by Carton or Wooden cases.
Delivery:

1. Goods in stock can be delivered within 5 days.
2. DTH Bits production time is about 15 days.
3. DTH Hammer product time is about 30 days.

Transprotation: By air, By Express or By sea / By train , according to your requests.

 

FAQ

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.

2. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.

3. 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 ourwebsite for a better understanding.

4. How to make sure the quality?

A: More than 40 Years engineer to make sure the quality, 100% inspection.

5. What is the general delivery time?

A: 15 working days for DTH bits.

20-25 working days for DTH hammer

3-5 working days for ex stock items.

6. Methods of Payment

A: T/T (Telegraphic Transfer) or Western Union.

 

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