Drilling Tool Numa 10" 275mm Concave Round Buttons DTH Rock Drill Bit

• Certification: ISO 9001:2000, SGS
• Standard: GB
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Carbon Steel
• Model: Mdnm100-275
• Model NO.: MDNM100-275
• Bit Dia.: 275mm
• Bit Shank: Numa100
• Can It Be Customized?: Yes.
• Transport Package: Wooden Case
• Trademark: MING
• Origin: China
• HS Code: 8207199000
• Production Capacity: 20000PCS/Year

Product Description

Drilling Tool Numa 10" 275mm Concave Round Buttons DTH Rock Drill Bit

Product Description

Down the hole(DTH) tools manufacturer KINGDRILLING supply DTH Drill Bits are available in a wide range of sizes and with a number of custom design features for optimum performance in a rock formation, which are designed to match all conceivable applications for water well industries, mining and construction.

Bit head shape selection: Drop Center Bit, Concave Face, Convex Face,
Double Guage Face, Flat Face Bit.
Carbide button shape selection: Spherical, Parablic , Ballistic , Sharp , Flat.
Bit Shank: QL, COP, SD, DHD, MISSION, BR, NUMA, CIR, etc.

 

Technical Date

 

Product Application

Company Profile

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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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