Main Products: Diverter ,BOP ,Blowout preventer ,BOP accessories ,Electromagnetic brake and disk brake
Drill Collar
USD $40,000 - $1,000,000 /Ton
Min.Order:15 Tons
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Drilltech Manufacturing Co., Ltd. Cangzhou
Credit Member 4 years 
Business Type: Manufacturer,Trading Company
Cangzhou Hebei ChinaMain Products: Diverter ,BOP ,Blowout preventer ,BOP accessories ,Electromagnetic brake and disk brakeProduct Details
Drill Collar
Technical Specifications
Specifications
.OD: 3 1/2 -9 inch Drill Collar
Type: spiral drill collar, non-magnetic drill collar and integral drill collar
W.T.: 38-53mm
| Thread Type | OD | ID | Length mm | ||
| mm | in | mm | in | ||
| NC26-35 | 88.9 | 3 1/2 | 31.8 | 1 1/2 | 9150 |
| NC35-47 | 120.7 | 4 3/4 | 50.8 | 2 | 9150 |
| NC46-62(4IF) | 158.8 | 6 1/4 | 71.4 | 2 13/16 | 9150 or 9450 |
| NC46-65(4IF) | 165.1 | 6 1/2 | 57.2 | 2 1/4 | 9150 or 9450 |
| NC50-70(41/2IF) | 177.8 | 7 | 71.4 | 2 13/16 | 9150 or 9450 |
| NC56-80 65/8REG | 203.2 | 8 | 71.4 | 2 13/16 | 9150 or 9450 |
| NC61-90 75/8REG | 228.6 | 9 | 71.4 | 2 13/16 | 9150 or 9450 |
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