The proportional hydraulic feed system provides for a rapid but safe drill penetration with minimum core bit wear rate. The trailers are available in three options: 18HP Lister diesel engine c/w ...

A hole saw is meant to create a large hole in a workpiece, while a core drill is designed to cut a hole and remove a core sample or to drill a hole without leaving material behind. Diamond core bits ...

center drills, microdrills, gundrills, core drills, spade drills, step drills, silver and Deming drills, forstner drills, taper drills, high helix drills, masonry drills, surgical or dental drills, ...