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 ...

As with any task, if there’s more than one way to do it, then you should explore all of your options before forging ahead. This holds true in the world of utility construction. For years now, ...

For finish-bored holes, the standard for accuracy is 0.001-in. run-out per foot, or better. Precision straightening may be employed before or after drilling a hole. Honing is used often to provide ...

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 ...