Sliding Wing Block Overburden Casing Drilling System DTH Bit for Mining

• Customized: Customized
• Standard: SGS
• Material: High Carbon Steel
• Usage: Well Drilling
• Spline: SD10
• Button Shape: Spherical, Parabolic, Ballistic, Sharp, Flat
• Model NO.: MK-MRS280
• Quantity: Small Quantity Is Acceptable
• Application: Coal, Ore, Water Well, Quarry, Construction Deli
• Transport Package: Wooden Case
• Trademark: MING
• Origin: Made in China
• HS Code: 8207199000
• Production Capacity: 20000PCS/Year

Product Description

Sliding Wing Block Overburden Casing Drilling System DTH Bit for Mining
 

Product Description

MRS concentric wave slider bit casing drilling system is made up of guide device and reamer bit which adopted graphic design to enhance penetration rate.

Expanding principle as below:

Guide device calms down pressure, open expanding wings in clockwise and shut down expanding wings in anticlockwise. The concentric slider bit casing drilling system is used for loose rock and can greatly increase the penetration rate. This concentric casing drilling bit is suitable for 219-813 tube in diameter.
 

 

Technical Date

How to choose the suitable head face of the DTH drill bit?

1.  Concave:

Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.

1.  Convex: 

Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.

1.  Flat:        

Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.

 

Product Application

Company Profile

 

Transport

 

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.

 

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.

 

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