CHD Drill Rods

CHD Drill Rod with a communication channel is designed for horizontal directional drilling using a telemetry system.

Штанги с системой телеметрии
Drill rod with a communication channel

Technical characteristics of CHD Drill Rods

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 55.0 5.00 50.3 1500 15.10 CHD 1200 2500
Drill rod 69.9 70.5 55.0 5.00 50.3 3000 27.60 CHD 1200 2500
Drill rod 73.0 73.0 56.0 5.00 50.3 1500 16.00 HD 1200 2500
Drill rod 73.0 73.0 56.0 5.00 50.3 3000 32.00 HD 1200 2500

Mechanical properties of rods (min)

Parameters Pipe Connector
Tensile strength, MPa 686 950
Yield strength, MPa 490 830
Elongation, % 12 10
Hardness HRC 28-34