Dth Down The Hole Rock Drill Bit For DHD SD QL Mission Series

Short Description:

DTH (Down to Hole) drill bit, also called spline connected drill bit, is mainly used in large scale mine (open and underground), open quarry and construction. The hammer is situated down the hole in direct connected with the drill bit with splines in the bit. The hammer piston strikes the drill bit resulting in an efficient transmission of the impact energy and insignificant power losses with the hole depth.


Product Detail

Product Tags

Product overview

TDS DTH Hammer Bits have high-air pressure and low-air pressure ones.

With advanced design concept, better wear-resistance,better impact-resistance, higher drilling speed and longer service life, they are widely used in large-scale open pit mining, quarry and other construction projects.

Specification
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
Packing

微信截图_20210424143349


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