Boring is the method used to enlarge a hole that has already been cast or drilled via a single-point cutting tool or a boring head that contains multiple such tools. The hole created by a boring ...

Prairie Dog horizontal boring machines are available in eight models ranging from 22-lb. handheld machine for 2- to 4-in. holes up to heavy-duty 395-lb. machine for 3- to 28-in. holes over 200 ft. in ...

Digging tunnels has become easier and safer thanks to custom-designed tunnel-boring machines. Tunnel-boring machines (TBMs) could be the ultimate power tool. They're monstrous, weighing millions of ...

While Mercury News readers dubbed the Santa Clara Valley Transportation Authority’s $76 million tunnel boring machine “Shai-Hulud,” after the sand worm creatures from “Dune,” the transit agency has ...

Finnish radioactive waste management company Posiva Oy has completed the drilling of the first two deposition holes at the Onkalo underground used nuclear fuel repository near Olkiluoto using a new ...