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- Drill Rod Diameter: 76-114mm
- Length: 1-6m/piece
- Wall Thickness Range: 4-12mm
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Advantages
1. DTH drill rod is made of high-quality materials, and the heat treatment of materials is processed with integrated multi-function.
2. All threads are equipped with thread standards that comply with international standards. All the thread processing uses professional CNC machining.
3. The inner end of the rod body is thickened to greatly increase the strength of the weld joint. After friction welding, tempering is performed. The quality of the rod is stable and reliable, and the service life is greatly extended.
Technical Data
|
Thread |
Diameter(mm) |
Length(mm) |
Wall thickness range(mm) |
Upsetting form |
|
API 2-3/8REG |
76 |
1000-6000 |
4-10 |
Internal upset |
|
API 2-3/8REG |
83 |
1000-6000 |
4-10 |
|
|
API 2-3/8REG |
89 |
1000-6000 |
4-10 |
|
|
API 2-7/8REG |
102 |
1500-6000 |
6-12 |
|
|
API 3-1/2REG |
114 |
1500-6000 |
6-12 |
|
|
API 3-1/2REG |
127 |
1500-6000 |
6-12 |
|
|
API 3-1/2REG |
133 |
1500-6000 |
6-12 |
|
|
API 4-1/2REG |
140 |
1500-6000 |
6-12 |
|
|
CUB 21# |
89 |
1000-6000 |
4-10 |
|
|
CUB 21# |
102 |
1000-6000 |
6-12 |
|
|
CUB 24# |
102 |
1000-6000 |
6-12 |
|
|
CUB 28# |
114 |
1000-6000 |
6-12 |
|
|
CUB 28# |
127 |
1000-6000 |
6-12 |
|
|
Z 2-1/2 |
102 |
1500-6000 |
6-12 |
|
|
DIBH 3-1/8 |
102 |
1500-6000 |
6-12 |
|
|
DIBH 3-1/2 |
114 |
1500-6000 |
6-12 |
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