Collar Thread | Outside DiameterD | Inside Diameter d | Length L mm | Ledge Chamfer Diameter Df mm | Reference Bending Strength Ratio | ||
mm | in | mm | in | ||||
NC31-41(27/8IF) | 104.8 | 4 1/8 | 50.8 | 2 | 9150 | 100.4 | 2.43:1 |
NC35-47 | 120.7 | 4 3/4 | 50.8 | 2 | 9150 | 114.7 | 2.58:1 |
NC38-50(31/2IF) | 127.0 | 5 | 57.2 | 2 1/4 | 9150 | 121.0 | 2.38:1 |
NC44-60 | 152.4 | 6 | 57.2 | 2 1/4 | 9150or9450 | 144.5 | 2.49:1 |
NC44-60 | 152.4 | 6 | 71.4 | 2 13/16 | 9150or9450 | 144.5 | 2.84:1 |
NC44-62 | 158.8 | 61/4 | 57.2 | 2 1/4 | 9150or9450 | 149.2 | 2.91:1 |
NC46-62(4IF) | 158.8 | 61/4 | 71.4 | 2 13/16 | 9150or9450 | 150.0 | 2.63:1 |
NC46-65(4IF) | 165.1 | 61/2 | 57.2 | 2 1/4 | 9150or9450 | 154.8 | 2.76:1 |
NC46-65(4IF) | 165.1 | 61/2 | 71.4 | 2 13/16 | 9150or9450 | 154.8 | 3.05:1 |
NC46-67(4IF) | 171.4 | 63/4 | 57.2 | 2 1/4 | 9150or9450 | 159.5 | 3.18:1 |
NC50-67(41/2IF) | 171.4 | 63/4 | 71.4 | 2 13/16 | 9150or9450 | 159.5 | 2.37:1 |
NC50-70(41/2IF) | 177.8 | 7 | 57.2 | 2 1/4 | 9150or9450 | 164.7 | 2.54:1 |
NC50-70(41/2IF) | 177.8 | 7 | 71.4 | 2 13/16 | 9150or9450 | 164.7 | 2.73:1 |
NC50-72(41/2IF) | 184.2 | 71/4 | 71.4 | 2 13/16 | 9150or9450 | 169.5 | 3.12:1 |
NC56-77 | 196.8 | 73/4 | 71.4 | 2 13/16 | 9150or9450 | 185.3 | 2.70:1 |
NC56-80 | 203.2 | 8 | 71.4 | 2 13/16 | 9150or9450 | 190.1 | 3.02:1 |
65/xREG | 209.6 | 81/4 | 71.4 | 2 13/16 | 9150or9450 | 195.7 | 2.93:1 |
NC61-90 | 228.6 | 9 | 71.4 | 2 13/16 | 9150or9450 | 212.7 | 3.17:1 |
Drilling collar
| Price: | 1000.0~3000.0 USD |
|---|---|
| Trade Term: | FOB |
| Payment Terms: | T/T,L/C |
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Basic Info.
- Model No.: API 5CT
- Place of Origin: Shanghai
- Min.Order: 1 Ton
- Means of Transport: Ocean, Air, Land
Supply Capacity
- Production Capacity: 10000T
- Packing:REGUALR PACKING
- Delivery Date: 1 MONTH
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