Button Shape: Spherical,Semi-ballistic,Ballistic.
Bit Shank: QL, COP, SD, DHD, MISSION, BR, CIR,etc.
Mainly used for Quarrying,Ore Mining,Coal Mining, soft, medium hard, and hard rock,blast hole drilling and water well drilling project,Marble quarry or well drilling and other construction projects,etc.
Our cemented carbide buttons have very good wear-resistant, can be ground time after time and have a longer service life. Using the specially processed formula, our carbide buttons can meet requirements of various rocks.
Buttons are strong in the mining process, and the service lifetime is very long.
A lot of grades can be chosen according to different applications.
Exactly suggestion for the button used for soft, medium-hard, and hard rocks.
Durable performance, wear resistant and withstanding large impacting force.
Very good prices according to market situation.
Very fast delivery time.
The best and reliable after-service

Comprehensive range of DTH drill bits can be customer-made to match all conceivable applications.

Five basic bit designs: Flat front, Convex, Speed, Concave. All shapes for all types of rock of hard, soft or abrasive.

Shank Type:	DHD360, COP64, SD6, QL60, M60 DTH Hammer Bit
Bit Dia.:	152mm,155mm,159mm,165mm,172mm,178mm,190mm,203mm
Face:	Flat Face, Concave Face, Convex Face
Tungsten Carbide:	Ballistic Buttons, or Spherical Buttons
Color:	Green or Based on Customer requirements

QL dth bit specification:

More dth bits

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