From the outside, one forged drill pipe looks much like another.
The differences are all on the inside, where failure to control the key processes of forging and heat treatment can have disastrous consequences. North Star’s rigorous quality management ensures consistent high performance from this premium product.
Download the HDD Drill Pipe & Tooling brochure or click quickly on the Specification Tables for full details of HDD drill rods for Vermeer© trenchless drill rigs, Ditch Witch© directional drilling machines, plus HDD drill pipes for all Chinese brands of horizontal directional drill rig including XCMG, Goodeng, DW/TXS, Hanlyma and Drillto.
Click here for pipe quote View Specification TablesCompatible with Vermeer HDD Rigs | Compatible with Ditch Witch HDD Rigs | General Pipe Specifications |
Rig Compatibility* | Thread | Length | Pipe OD | Joint OD | Pin Length (mm) | Max. Torque (Nm) | Bend Radius | Max. Bend Angle | Max. Slope (%) | Weight (kg) | Part Number | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | ft | mm | inch | mm | inch | m | ft | ||||||||
D7x11, D10x15 | #200 | 1829 | 6 | 42 | 1.66 | 48 | 1.88 | 50.7 | 2040 | 30.2 | 99.1 | 3.5 | 5.9 | 10 | NS10301 |
D20x22, D23x30 | #400 | 3048 | 10 | 52 | 2.06 | 57 | 2.25 | 63.5 | 3525 | 34.3 | 112.5 | 5.1 | 8.7 | 27 | NS10302 |
D24x40 | #600 | 3048 | 10 | 60 | 2.38 | 67 | 2.63 | 63.5 | 5695 | 39.6 | 130 | 4.4 | 7.5 | 32 | NS10003 |
D33x44, D36x50 | #650 | 3048 | 10 | 60 | 2.38 | 70 | 2.75 | 63.5 | 6800 | 39.6 | 130 | 4.4 | 7.5 | 34 | NS10022 |
D33x44, D36x50 | #650 | 4572 | 15 | 60 | 2.38 | 70 | 2.75 | 63.5 | 6800 | 39.6 | 130 | 6.6 | 11.3 | 48 | NS10051 |
D36x50, D40x55 | #700 | 3048 | 10 | 67 | 2.63 | 79 | 3.1 | 76.2 | 7457 | 48 | 157.5 | 3.6 | 6.19 | 49 | NS10052 |
D36x50, D40x55 | #700 | 4572 | 15 | 67 | 2.63 | 79 | 3.1 | 76.2 | 7457 | 48 | 157.5 | 5.5 | 9.28 | 71 | NS10053 |
D50x100, D60x90 | #900 | 4572 | 15 | 73 | 2.88 | 83 | 3.25 | 88.9 | 12202 | 52 | 170.6 | 5 | 8.5 | 65 | NS10004 |
Rig Compatibility* | Thread | Length | Pipe OD | Joint OD | Pin Length (mm) | Max. Torque (Nm) | Bend Radius | Max. Bend Angle | Max. Slope (%) | Weight (kg) | Part Number | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | ft | mm | inch | mm | inch | m | ft | ||||||||
JT20 | 1.94 | 3000 | 9.84 | 54 | 2.13 | 67 | 2.63 | 75 | 2980 | 36 | 118 | 4.8 | 8.1 | 28 | NS10068 |
JT25/30 | 2.11 | 3000 | 9.84 | 60 | 2.38 | 70 | 2.76 | 84.7 | 5420 | 39.6 | 130 | 4.3 | 7.4 | 34 | NS10069 |
Pipe OD | Thread | Length | Joint OD | Max. Torque (Nm) | Recommended Make-up Torque (Nm) | Bend Radius | Max. Bend Angle | Max. Slope (%) | Weight (kg) | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | in | mm | ft | mm | in | m | ft | ||||||
60 | 2.375 | ZX60 | 3000 | 9.84 | 68 | 2.677 | 8294 | 4976 | 39.6 | 130 | 4.3 | 7.4 | 32 |
73 | 2.875 | NC23 | 3000 | 9.84 | 80.5 | 3.169 | 13978 | 8387 | 52 | 170.6 | 3.3 | 5.6 | 46 |
73 | 2.875 | NC26 | 3000 | 9.84 | 88 | 3.465 | 16055 | 9633 | 52 | 170.6 | 3.3 | 5.6 | 56 |
83 | 3.25 | ZX80 | 3000 | 9.84 | 92 | 3.622 | 20372 | 12223 | 59 | 193.6 | 2.9 | 4.9 | 61 |
83 | 3.25 | ZX80 | 4500 | 9.84 | 92 | 3.622 | 20372 | 12223 | 59 | 193.6 | 4.3 | 7.3 | 79 |