Horizontal Drag Type Hole Openers (Back Reamers)


Mills also manufacturers large drag (blade) type hole openers (back reamers) for horizontal drilling utilizing a vast array of cutter configurations including our very own heavy duty bolt on digger teeth in a scoop type step (soft to medium) or straight type chevron (medium to hard). Many different options are available including any thread, number of blades or mixture of different types of cutters.