HDD Technical Resources
![PDC Bits Vs Tricone Bit](https://firmtechco.com/wp-content/uploads/2019/11/PDC-vs-Tricone-300x169.jpg)
HDD
PDC Bit vs Tricone Bit, Which is The Best Option for You
Check out which is the best bits for your hard rock project
November 4, 2019
![IADC Member log](https://firmtechco.com/wp-content/uploads/2018/12/IADC-member-log-1-300x152.jpg)
HDD
What does the IADC Code Mean?
IADC code is short for “International Association of Drilling Contractors”. The IADC Code for Tricone Bits defines its bearing design
December 13, 2018
![Hole Opener and different roller bit layout](https://firmtechco.com/wp-content/uploads/2018/12/hole-opener-and-roller-cone-layout-300x216.jpg)
HDD
How to Select the Right HDD Hole Opener
Before choosing hole opener you need to confirm below point: The Rig you are using The Pulling/front connection or Trailing/back
December 13, 2018
![HDD Drill Bit Selection](https://firmtechco.com/wp-content/uploads/2018/12/HDD-drill-bit-selection-300x247.jpg)
HDD
How to Choose the Right HDD Drill Bit
With many choices available today, selecting the proper HDD drill bit for a particular application can become quite confusing. There
December 13, 2018
![HDD Replaceable Hole Opener PDF](https://firmtechco.com/wp-content/uploads/2019/12/HDD-Replaceable-Hole-Opener-Case-Study-2-723x1024.jpg)
A Case Study: HDD Replaceable Hole Opener
Machine, Project, Location, Situation, Challenge and Results.