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
===========================================================
ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com
http://www.roschen.net
http://www.roschen.cn
http://www.roschendrill.com
http://www.roschenmining.com
http://www.roschendrilling.com
http://www.explorationcoredrilling.com
https://www.drillpipefactory.com
https://www.numberwon.cn
===========================================================
