Drill pipe (Drill collar (DC))
Drill collar 127 mm, bore 57 mm
We supply drill collar, diameter 127 mm, bore (ID) 57 mm. Steel grade AISI 4145H. Please specify in your enquiry: length, elevator recess, slick zone and any other requirements.
Drill collar (DC)127 mm57 mmAISI 4145HAPI Spec 7-1
| Type | Drill collar (DC) |
| Diameter (OD) | 127 mm |
| Steel grade | AISI 4145H |
| Bore (ID) | 57 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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