Drill pipe (Drill collar (DC))
Drill collar 108 mm, bore 51 mm
We supply drill collar, diameter 108 mm, bore (ID) 51 mm. Steel grade AISI 4145H. Please specify in your enquiry: length, elevator recess, slick zone and any other requirements.
Drill collar (DC)108 mm51 mmAISI 4145HAPI Spec 7-1
| Type | Drill collar (DC) |
| Diameter (OD) | 108 mm |
| Steel grade | AISI 4145H |
| Bore (ID) | 51 mm |
| Length | R2 ≈ 9.1–9.5 m |
| Cross-section | Round |
| Thread protector | Metal |
| Standard | API Spec 7-1 |
| Condition | New |
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