Drill pipe (Drill collar (DC))
Drill collar 245 mm, bore 90 mm
We supply drill collar, diameter 245 mm, bore (ID) 90 mm. Steel grade AISI 4145H. Please specify in your enquiry: length, elevator recess, slick zone and any other requirements.
Drill collar (DC)245 mm90 mmAISI 4145HAPI Spec 7-1
| Type | Drill collar (DC) |
| Diameter (OD) | 245 mm |
| Steel grade | AISI 4145H |
| Bore (ID) | 90 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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