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Hubei Superdrill Mechanical Equipment Co.,Ltd.

4" Atlas Copco Thread Oil Mining Hard Drilling Rock Bits

Home News4" Atlas Copco Thread Oil Mining Hard Dr...

4" Atlas Copco Thread Oil Mining Hard Drilling Rock Bits

4" Atlas Copco Thread Oil Mining Hard Drilling Rock Bits

DTH (Down-the-hole) Hammer And Bits
High Air Pressure DTH hammers(3''-12''):
1.ND(DHD Shank) series high air pressure DTH hammer includes:DHD3.5,DHD340,DHD350R,DHD360,DHD380,DHD1120
2.QL series high air pressure DTH hammer includes:QL40,QL50,QL60,QL80
3.SD series high air pressure DTH hammer includes:SD4,SD5,SD6,SD8,SD10,SD12
4.NUMA series high air pressure DTH hammer includes:NUMA100,NUMA120,NUMA125
5.COP series high air pressure DTH hammer includes:COP44,COP54,COP64,COP84

Connect Thread : API 2 3/8" , API 3 1/2 , Reg-6 5/8"Reg etc.

Diameter (mm)
Number of vents
NO X button diamter
Gauge Buttons
Front Buttons
DHD340A/COP44
105
2
6XØ14
5XØ13
110
2
7XØ14
6XØ13
115
2
7XØ14
7XØ13
120
2
8XØ14
7XØ13
127
2
8XØ14
7XØ14
SD4
105
2
6XØ14
5XØ13
110
2
7XØ14
6XØ13
115
2
7XØ14
7XØ13
120
2
8XØ14
7XØ13
127
2
8XØ14
7XØ14
QL40
105
2
6XØ14
5XØ13
110
2
7XØ14
6XØ13
115
2
7XØ14
7XØ13
120
2
8XØ14
7XØ14
127
2
8XØ14
7XØ14
NUMA4
105
2
6XØ14
5XØ13
110
2
7XØ14
6XØ13
115
2
7XØ14
7XØ13
120
2
8XØ14
7XØ14
127
2
8XØ14
7XØ14
We can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape.