3" CHD 76 Drill Rods with Mecca grooves
3" CHD 76 Drill Rods with Mecca grooves
CHD Drill Rod with a communication channel is designed for horizontal directional drilling using a telemetry system.
| Name | External diameter of connector D, mm | Internal diameter of connector d, mm | Wall thickness of the pipe t, mm | Length of the thread L1, mm | Length L, mm | Weight, kg | Thread | Make-up torque, Nm | Max. torque, Nm |
| Drill rod 69.9 | 70.5 | 55 | 5 | 50.3 | 1500 | 15.1 | CHD | 1200 | 2500 |
| Drill rod 69.9 | 70.5 | 55 | 5 | 50.3 | 3000 | 27.6 | CHD | 1200 | 2500 |
| Drill rod 73.0 | 73 | 56 | 5 | 50.3 | 1500 | 16 | HD | 1200 | 2500 |
| Drill rod 73.0 | 73 | 56 | 5 | 50.3 | 3000 | 32 | HD | 1200 | 2500 |
CHD DRILL RODS WITH INSERTS:
MATERIAL:
COLD DRAWN STEEL :
Yield strength Re: 552-758 Mpa
Tensile strength Rm: 690-965 Mpa
Elongation A%: 18 mini
MECCA INSERT ASSY :
Bronze connecting rod, acrylic plastic end pieces with non static rubber centering tube
Best regards,
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009
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