HDD DRILL RODS
Forged HDD
Drill Rods
Forged HDD Drill Pipe for horizontal directional drilling. Built for HDD projects where fatigue resistance, joint integrity and process control matter.
UPSET FORGED
Serial-linked data
FINE-GRAINED S135
Fine-grained steel
100% INSPECTION
Physical + NDT
FATIGUE-RESISTANT
Smoother transition
WHY FORGED
The Difference is in the Forged Section
From the outside, one forged 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.
Our smooth forge transition zone reduces stress concentration at the critical weld area — the region where fatigue failure most often begins.
Smooth Forge Transition Zone
Our smooth forge transition zone reduces stress concentration at the critical weld area — the region where fatigue failure most often begins.
Fine-Grained S135 Steel
Our forged rods use fine-grained S135 steel that ensures superior fatigue resistance and long service life.
Controlled Heat Treatment
Heat treatment is conducted 100% in-house using custom-built quench-and-temper furnaces specifically designed for HDD pipes.
100% Inspection
Every forged end receives physical and non-destructive inspection before release, backed by a quality report.
SPECIFICATIONS
HDD Drill Rod Specifications
For accurate selection, confirm the rig model, current pipe source, pipe body OD, overall length, tool joint OD, thread details and serial number.
Need help choosing?
Contact our sales team for a free recommendation.
Contact our sales team for a free recommendation.
SELECTION GUIDE
How to Choose HDD Drill Rods
Use the following information to confirm a compatible HDD drill rod configuration.
Forged HDD Drill Pipe Configuration
Send the intended application, mating connection details, required dimensions and quantity for review. Include drawings or an existing part reference where available.
Browse our HDD reamers and Welded HDD Pipe. See directional drilling for general background.
3 Essential Selection Checks
- Confirm the rig model, pipe length and body diameter.
- Match the thread and joint dimensions to the existing drill string.
- Review the selected pipe configuration and its listed operating limits before ordering.
01
Confirm your rig model
Check the nameplate on your HDD rig.
02
Note your current pipe source
Was it purchased with the rig or separately? Note the manufacturer if possible.
03
Record key dimensions
Pipe body OD (A), length (L), tool joint OD (B), and pin thread length (C).
04
Find the serial number
Located on the pin or box joint, this helps us verify exact specifications.
SERVICE & SUPPORT
Support Beyond the Product
North Star provides technical support, customization and traceability from inquiry through final inspection.
Quality Guarantee
All products are fully guaranteed against defects in materials or workmanship.
Technical Support
Multilingual team available for enquiries; engineers can be sent onsite for study and training if necessary.
100% Traceability
Every pipe carries a serial number enabling full traceability from raw material to final inspection.
Testing Programme
We implement a unique continuous testing programme, allowing objective evaluation of new processes and products before final approval.
FAQ
Forged HDD Drill Rods: Common Questions
Clear answers to common product, selection and compatibility questions.
What are forged HDD drill rods?
Forged HDD drill rods use an upset forging process to form the connection section. A controlled forged transition can help reduce stress concentration in critical areas.
How do I choose the right HDD drill rod?
Start with the HDD rig model, rod diameter and length, connection, torque, bend radius, drilling distance, ground conditions and expected drilling cycles.
FORGED HDD DRILL RODS
Need the Right HDD Drill Rod Configuration?
Send your rig model, current rod dimensions, thread details and serial number. Our team can help verify the correct specification for your application.
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