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