Customization: | Available |
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After-sales Service: | 1 Year |
Warranty: | 1 Year |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Bit O.D.(in | O.D. (mm) | End O.D (mm) | I.D. (mm) | Length(mm) | Connection | ||||
Short Type | Long Type | Drill string | |||||||
Near bit | Drill string | Near bit | Drill string | Top | Down | ||||
6 | 152.4 | 121 | 51 | 800 ~900 | 1,000 ~1,100 | 1,200 ~1,400 | 1,400 ~1,600 | NC 38 | NC 38 |
6-1/4 | 158.7 | ||||||||
6-1/2 | 165.1 | ||||||||
7-1/2 | 190.5 | 159 165 178 | 57 71 | 1,000 | 1,600 | 1,800 | NC 46 | NC 46 | |
7-7/8 | 200.0 | ||||||||
8 -3/8 | 212.7 | 1,000 ~1,200 | 1,600 ~1,800 | 1,800~ 2,000 | NC46 NC50 | ||||
8 -1/2 | 215.9 | ||||||||
8-3/4 | 222.2 | ||||||||
9-1/2 | 241.3 | 178 197 | 71 | 800 ~1,000 | 1,000 ~1,200 | 1,600 ~1,800 | NC 50 | NC 50 | |
9-5/8 | 244.5 | ||||||||
9-7/8 | 250.8 | ||||||||
12-1/4 | 311.2 | 203 229 | 76 | 1,000 ~1,200 | 1,200 1,500 | 1,800 2,000 | NC56 6-5/8 REG | ||
17-1/2 | 444.5 | 1,200 ~1,300 | 1,200 ~1,300 | 2,000 ~2,200 | 2,000~ 2,200 | NC61 7-5/8 REG |