Maxi drill pipe
DHT Europe maxi HDD drill rod for large-bore and maxi rigs — one-piece IEU-forged and friction-welded construction in S135 grade, with NC50, IF and FH connections.
Forged one-piece HDD drill rod
Single-piece IEU-forged rod for the highest fatigue life on demanding maxi bores. S135 grade throughout.
| Drill rod | Part number | Method | Body O.D. (mm) | Wall (mm) | Length (mm) | Tool joint O.D. (mm) | Grade | Make-up torque (N·m) | Torsional strength (N·m) | Tensile strength (t) | Min. bend radius (m) | Order |
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Friction-welded series
Friction-welded tool joints across the full size range, from 88.9 mm up to 193.7 mm body O.D. and 9.6 m working length for maxi rigs.
| Drill rod | Part number | Method | Body O.D. (mm) | Wall (mm) | Length (mm) | Tool joint O.D. (mm) | Grade | Make-up torque (N·m) | Torsional strength (N·m) | Tensile strength (t) | Min. bend radius (m) | Order |
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Maxi drill rod is built to order in one-piece IEU-forged or friction-welded construction, S135 grade. Dimensions are in millimetres and torque in N·m. NC50 corresponds to 4 1/2″ IF — contact us for other thread connections.
Need maxi drill rod?
Send us your machine model and quantity and we'll come back with a quote and lead time.