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  • DTH Hammer

    The DTH hammer acts as a role of converting the air pressure to the impact energy, simultaneously transferring impact energy and rotation force to DTH bits.

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  • DTH bits

    Sinodrills DTH bits are made of superior quality alloy steel which is made by Timken in U.S. Besides, all our DTH bits are using the brand "Element Six" T.C carbide which provides (the T.C buttons) for Boart Longyear

    Read More
  • DTH drill pipes

    SINODRILLS DTH drill pipe DTH drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability

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  • Symmetric overburden casing drilling systems

    Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing

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  • Eccentric overburden casing drilling systems

    Eccentric is the most economical solutions because its ingenious reaming wing the bit is retrievable can be used at the next hole

    Read More

DTH bits

Sinodrills DTH bits are made of superior quality alloy steel which is made by Timken in U.S. Besides, all our DTH bits are using the brand "Element Six" T.C carbide which provides (the T.C buttons) for Boart Longyear

  • Payment:

    T/T, L/C, D/A, D/P
  • Product Origin:

    CHINA
  • Color:

    Orange
  • Shipping Port:

    Main port of China
  • Lead Time:

    20 Days
  • Product Details

SINODRILLS DTH Bits


The DTH bits is the tool cutting rock. Sinodrills DTH bits are made of superior quality alloy steel which is made by Timken in U.S. Besides, all our DTH bits are using the brand "Element Six" T.C carbide which provides (the T.C buttons) for Boart Longyear. In addition art manufacturing technology makes our DTH bits with higher and more reliable quality.


Different face style makes DTH bits suitable for various rock conditions.

Flat face:  This is an universal design, especially for hard and abrasive rock formation. So typically, flat face with hemi-spherical buttons design is the most popular choice.


Convex face: A classic design for soft to medium hard rock formation which is not so abrasive. This design have very excellent penetration rate but poor in hole deviation if rocks are hard.


Concave face: Medium hard to hard rock formations which is less abrasive and fractured. Especially for deep hole drilling, excellent control over hole deviation.


DGR face:  A special design for hard or very hard rock conditions, double gauge row buttons provide very excellent ware-resistance and very longer life time.  It is usually used for some bigger diameter DTH bits.

Besides, we are manufacturing the DTH bits with various shanks so they can be compatible with different DTH hammers

Bit size Shank type Recommended DTH bit diameter
3.5''/3'' DTH Hammer bits COP34, DHD3.5, MISSION30, BR3 shank 90mm to 105mm
4'' DTH Hammer bits DHD340, QL40, MISSION40, SD4 shank 110mm to 130mm
5'' DTH Hammer bits DHD350, QL50, MISSION50, SD5 shank 134mm to 152mm
6'' DTH Hammer bits DHD360, QL60, MISSION60, SD6 shank 152mm to 203mm
8'' DTH Hammer bits DHD380, QL80, MISSION80, SD8 shank 203mm to 305mm
12'' DTH Hammer bits DHD112, SD12 and QL120 shank Available upon customers' request

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DTH bits
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down the hole hammer

The DTH hammer acts as a role of converting the air pressure to the impact energy, simultaneously transferring impact energy and rotation force to DTH bits.

down the hole drill pipes

SINODRILLS DTH drill pipe DTH drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability

casing drilling tools

Eccentric is the most economical solutions because its ingenious reaming wing the bit is retrievable can be used at the next hole

casng drilling tools

Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing

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If you have questions or suggestions,please leave us a message,we will reply you as soon as we can!