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High Pressure Air Pressure Dth Down The Hole Hammer In China

DTH hammers are working with DTH drilling pipe and DTH drill bit, mainly applied in Mining,Marble quarry or well drilling and other construction projects.
Model
Thread Connection
OD(mm)
Rec.Hole Size
Shank Style
Working Pressure(Bar)
CD35
API 2 3/8" Reg
φ82mm
φ90-φ105
DHD3.5
CD35
1.0-1.5Mpa
CD45
API 2 3/8" Reg
φ99mm
φ110-φ135
Cop44
DHD340
CD45
1.0-2.5Mpa
CSD4
API 2 3/8" Reg
φ99mm
φ110-φ135
SD4
CSD4
1.0-2.5Mpa
CQL40
API 2 3/8" Reg
φ99mm
φ110-φ135
QL40
CQL40
1.0-2.5Mpa
CD55
API 2 3/8" Reg
API 3 1/2" Reg
φ125mm
φ135-φ155
Cop54
DHD350R
CD55
1.0-2.5Mpa
CSD5
API 3 1/2" Reg
φ125mm
φ135-φ155
SD5
CSD5
1.0-2.5Mpa
CQL50
API 3 1/2" Reg
φ125mm
φ135-φ155
Cop54
QL50
CQL50
1.0-2.5Mpa
CD65
API 3 1/2" Reg
φ148mm
φ155-φ190
Cop64
DHD360
CD65
1.0-2.5Mpa
CSD6
API 3 1/2" Reg
φ148mm
φ155-φ190
SD6
CSD6
1.0-2.5Mpa
CQL60
API 3 1/2" Reg
φ148mm
φ155-φ190
Cop64
QL60
CQL60
1.0-2.5Mpa
CD85
API 4 1/2" Reg
φ185mm
φ195-φ254
Cop84
DHD380
CD85
1.0-2.5Mpa
CSD85
API 4 1/2" Reg
φ185mm
φ195-φ254
SD8
CSD8
1.0-2.5Mpa
CQL80
API 4 1/2" Reg
φ185mm
φ195-φ254
QL80
CQL80
1.0-2.5Mpa
CSD10
API 4 1/2" Reg
API 5 1/2" Reg
API 6 5/8" Reg
φ225mm
φ254-φ311
SD10
CSD10
1.0-2.5Mpa
CN100
API 6 5/8" Reg
φ225mm
φ254-φ311
NUMA100
CN100
1.0-2.5Mpa
CSD12
API 6 5/8" Reg
φ275mm
φ305-φ445
SD12
CSD12
1.0-2.5Mpa
                              Dth drilling                                                                            Water well drilling

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