Drill pipe (Drill collar (DC))
Drill collar 229 mm, bore 80 mm
We supply drill collar, diameter 229 mm, bore (ID) 80 mm. Steel grade AISI 4145H. Please specify in your enquiry: length, elevator recess, slick zone and any other requirements.
Drill collar (DC)229 mm80 mmAISI 4145HAPI Spec 7-1
| Type | Drill collar (DC) |
| Diameter (OD) | 229 mm |
| Steel grade | AISI 4145H |
| Bore (ID) | 80 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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