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Friction - welded drilling pipes, and custom - sized drilling pipes can be ordered.
Drill Pipe Specification | Drill Pipe Name | Joint: Outer Diameter×Inner Diameter (mm) | Pipe Body: Outer Diameter×Inner Diameter (mm) | Pipe Body: Outer Diameter×Wall Thickness (mm) |
HQ | THGQHQ Drilling Pipe | φ97×φ81 | φ95×φ81 | φ95×7 |
THHQ Drilling Pipe | φ92×77 | φ89×79 | φ89×5 | |
NQ | THGQNQ Drilling Pipe | φ75×φ61 | φ73×φ61.98 | φ73×5.51 |
THNQ Drilling Pipe | φ73×φ59 | φ71×φ61 | φ71×5 | |
THNQ Drilling Pipe | φ73×φ59 | φ70×φ60 | φ70×5 | |
PQ | THPQ Drilling Pipe | φ116.3×φ101.6 | φ114.3×φ101.6 | φ114.3×6.35 |