A Specialty Drill Bit for Electricians, Designed from Customer Feedback

When installing raceways or conduit brackets, each installation screw requires two holes on opposite channel walls. One hole is sized to fit the shaft of the fastener, while the opposite hole must be larger than the fastener's head. This is so the installer has enough room to drive the screw. An example photo is below. For the installer to create these holes is time-consuming, with three options: A. Mark both sides of workpiece, drill the smaller hole in one wall, flip the piece, change...