Hole Opener For Hdd Machine

A rock reamer HDD, also known as a horizontal hole opener, is a tool used to widen a pilot hole in horizontal directional drilling (HDD). HDD is a construction technique that allows for the drilling of underground tunnels, which can be used to pass pipelines or other utilities.How it work • HDD rock reamers are designed to cut through a variety of rock formations • The reamer's cutting teeth are made of steel or TCI cutters, which are wear-resistant • The reamer's front stiffener or block surface can be coated with a wear-resistant alloy or carbide tooth