Standard: | RoHS, BS, DIN, JIS, AISI, API |
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Length: | 0.5m,1m,1.5m,3m |
Usage: | Oil Mining, Coal Mining, Well Drilling, Ore Mining |
Material: | Carbon Steel |
Drill Pipe: | for Mining |
Transport Package: | Iron Bundle |
Samples: |
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Customization: |
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Suppliers with verified business licenses
Tangshan Jinshi head assembly features long life span, good compatibility with parts like inner tube and outer tube from other vendors, and availability in all spare parts.
Double tube surface | ||||
Size(surface exploration drill) | Metric system(mm) | Imperial system(in) | ||
Hole diameter | Core diameter | Hole diameter | Core diameter | |
BQ | 60 | 36.4 | 2.36 | 1.43 |
NQ | 75.7 | 47.6 | 2.98 | 1.88 |
HQ | 96.1 | 63.5 | 3.78 | 2.5 |
PQ | 122.7 | 85 | 4.83 | 3.34 |
Triple tube surface | ||||
NQ3 | 75.7 | 45 | 2.98 | 1.78 |
HQ3 | 96.1 | 61.1 | 3.78 | 2.41 |
PQ3 | 122.7 | 83 | 4.83 | 3.27 |
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