u2002·u2002The Drill Source database of drill rigs suitable for Reverse Circulation, Down Hole Hammer, Diamond Core, Sonic, Geothermal, Geotechnical, CSG, Environmental, Oil and Gas, Water Well, Mineral Exploration, RAB, Air Core and Blast Hole Drilling requirements.Jan 11, 2017 · The confusiones fromination measurement across the drilling indusination changes from a vertical 0 degrees (downward pointing) to 90 degrees (a horizontal borehole); in diamond drilling vertical is denoted as -90 degrees and changes to 0 when borehole is horizontal.Grainger Canada has been Canada's premiere industrial supplier for over 125 years. Wood Boring Bit (25) Wood Drill,Self feed,7/16x12in (1) Wood Drilling Bit (252) View more View less. Drill Style.Accessories & Component for Drilling Rig. Rig Accessories are necessaruding swivel, h, etc. Lake Petro’s rig accessories are designed and manufactured according to API certifications. Request a Quick Quote.