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Description
API 3 1/2 inch Reg HDD hq DTH thread drilling rod for Ore Mining
high quality DTH pipe aredurability,accuracyandmanageability.
superdrill pipes are made from cold drawn piping, providing a superior surface finish and tolerance compared to conventional pipes made from hot rolled piping. This drastically reduces the risk of scaling from the pipes entering the hammer, a major cause of premature hammer failure.
Standard configuration of DTH drill pipe:
Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm, 152mm
Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm, 7500mm…
Thread： 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG, 2 3/8 API IF, 3 1/2 API IF…
Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm, 152mm
Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm, 7500mm…
Thread： 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG, 2 3/8 API IF, 3 1/2 API IF…
|
A
OD(mm)
|
B
Length SS
|
C1
Joints type
|
C2
Threat type
|
D
Across flat
|
E
Width spanner
|
F
Thickness
|
|
76
|
1500
|
box-pin
|
RD 50
|
65
|
38.1
|
5
|
|
89
|
1800
|
box-box
|
API 2 3/8" Reg
|
69.8
|
60.3
|
6
|
|
102
|
3000
|
pin-pin
|
API 3 1/2" Reg
|
63.5
|
50.8
|
7.5
|
|
114
|
4000
|
|
API 4 1/2" Reg
|
92.2
|
69.8
|
8
|
|
127
|
5000
|
|
3 1/8"DIBH
|
120.6
|
...
|
10
|
|
140
|
6000
|
|
CUBEX#21
|
130.1
|
|
12
|
|
152
|
7500
|
|
CUBEX#24
|
...
|
|
14
|
|
...
|
9144
|
|
CUBEX#28
|
|
|
...
|
