COP Shank DTH Drill Bit

​The “DTH” is the abbreviation of “Down The Hole” and sometimes it is also called “RAB” in some markets, and the “RAB” is short for “Rotary Air Blasting”....

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GMD could supply the COP Shank DTH Drill Bit with cemented carbide buttons have very good wear-resistant. Buttons are strong in the mining process and could meet requirements of various rocks , and the service lifetime is very long. 

GMD could supply lots of grades DTH Bits, they can be chosen according to different applications. Both soft, medium-hard, and hard rocks, Our DTH Bit could have a good performance.


Product Name: COP Shank DTH Drill Bit

Shank Type: COP32, COP34, COP44, COP54, COP64,

Bit Diameter: 85mm-203mm

Bit Face Design: Flat Face, Convex Face, Concave Face, Drop Center, Double Gauge.


Scope of application

For open mining, quarry mining, earth excavation, water conservancy and hydro power, highway bridge blasting hole blasting engineering field

Details, kindly check below:



COP Shank DTH Drill Bit Concave Face

COP Shank DTH Bit



Northern Europe: foundation, piling

Western Europe: water well and geothermal drilling

Russia: Oil, infrastructure and mining.

South East Asia: mining and geothermal

South Africa: mining and water well drilling

Middle East: water well drilling

Oceania: mining, exploration and water well drilling

South America: water well drilling and mining


Carbide Button Shape




Tough shape for hard abrasive rock and deep hole drilling. Can be used in all applications. Also known as Sperical.





Big chip producer. Ideal for less abrasive sedimentary deposits where speed is vital. Less suited to badly broken ground and hard rock.




A combination design to provide increased speed over the Dome design with greater wear characteristics than Ballistic. Less suited to broken ground. Also known as Semi-Ballistic.




Suitable for sedimentary and broken rock conditions. Also known as Spike.


Key Words:

COP Shank DTH Drill Bit 


COP Series DTH Bits

DTH Bits for Hard Rock Drilling

High Air Pressure COP Series DTH Bits for Hard Rock Drilling

DHD Shank DTH Bit



The information you may like to know before order:

1. Q:Methods of Payment:

   A: T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Q: Handling time for an order

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Q: Shipping way

   A: Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

     Bulk order: we suggest by air or by sea.

4. Q: Quality Control

   A: We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.

5.  Q: After Services:

    A: (1). Our sales team will response for your question within 24 hours (Holidays Excluded)

       (2). Technical Support will be available in any time

       (3). Free replacement will provide once the failure confirmed caused by our product quality


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