100% Original Reverse Circulation Hammers - 4” 5” 6” dth hammer DHD 340 350 button drilling bit – TDS
100% Original Reverse Circulation Hammers - 4” 5” 6” dth hammer DHD 340 350 button drilling bit – TDS Detail:
The DTH bit is the tool cutting rock. Sinodrills DTH bit is made of superior quality alloy steel which is made by Timken in U.S. Besides, all our DTH bit is using the brand “Element Six” T.C carbide which provides (the T.C buttons) for Boart Longyear. In addition art manufacturing technology makes our DTH bit is with higher and more reliable quality.
Different face style makes DTH bit is suitable for various rock conditions.
Flat face: This is an universal design, especially for hard and abrasive rock formation. So typically, flat face with hemi-spherical buttons design is the most popular choice.
Convex face: A classic design for soft to medium hard rock formation which is not so abrasive. This design have very excellent penetration rate but poor in hole deviation if rocks are hard.
Concave face: Medium hard to hard rock formations which is less abrasive and fractured. Especially for deep hole drilling, excellent control over hole deviation.
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
|
Product detail pictures:

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