42'' Hole Opener

Horizontal Hole Openers, also known as HDD Reamers, are used to enlarge the pilot hole in

Horizontal Directional Drilling(HDD) - HDD is used when trenching and excavating is not practical.

This drilling technology allows for a steerable trenchless way to drill underground.

There are three stages:

1>the first stage is to drill a small diameter pilot hole.

2>The second stage is enlarge the hole with a larger diameter cutting tool called an HDD Reamer,

Rock Reamer or Hole Opener.

3>The third stage is inserting the casing pipe or other product into the enlarged hole.

2.Photos of Profile&Details: