7 Photos - Sep 1, 2013
Photo: ready to weld solid bar stock to a scrap of 1" square tubePhoto: now goping to weld angle iron to the square tubePhoto: New mount keyed up on the drill press chuckPhoto: 0.0260 inch bitPhoto: 57,000 RPM air drill mounted to existing drill press chuckPhoto: I modified my shop drill press with an air drill that runs at 57,000 RPM so I can so drill holes at in printed circuit boards.Photo: 0.0260" holes all drilled in controller PCB