Blackalloy™ drill units, automated drilling assemblies and drilling systems have enjoyed widespread success in small hole precision production drilling applications in metals, woods, plastics, and other drilling mediums. In addition, the versatility of these drill units makes them an excellent choice for many applications other than drilling, such as bottle capping, robotics, winding, etc. Blackalloy’s™ unique low-stress trilobe spindle is designed to transmit torque from the pulley to the spindle.  All Air offers Blackalloy™ drill units in a full range of strokes, hydro-check (or feed control) equipment, spindle options including extended length with thru-holes, and many special modifications.