|
(mm)
Diameter pipe |
Ø50
|
Ø60
|
Ø73
|
Ø89
|
Ø102
|
Ø114
|
Ø127
|
|
(mm)
Joint diameter |
Ø65
|
Ø75
|
Ø105
|
Ø127
|
Ø133.4
|
Ø158.8
|
Ø168
|
|
(mm)
Wall thickness |
6.5
|
7.1
|
9.19
|
9.5/10
|
8.38
|
8.56
|
9.19
|
|
(mm)
Length of drill rod |
1000～4500
|
1000～4500
|
1500～9500
|
1500～9500
|
3000～9500
|
1500～9500
|
5000-9600
|
|
Down-the-hole drilling pipe widely used in mine blasting,drilling the water well,drilling geothermal wells,pipe-roof Protection,coal and non-ferrous metal mining projects into radial hole drilling work.
|
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