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 ...

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 ...