Abstract: There is disclosed herein an improved reciprocating device for use with various forming machinery such as die casting, molding or other like equipment. The reciprocating device is adapted to advance a spray head across the working surfaces of a die, mold or other like forming apparatus when such apparatus is in an open position thereby allowing the spray head to spray these surfaces with a combination of fluids, such as air and/or lubricants, for example. The apparatus employs a spray head having a plurality of nozzles, which is secured to one end of an elongated arm. The opposite end of this elongated arm is removably secured to a carriage assembly which is caused to reciprocate through the cooperation of a threaded rod and drive motor means, thereby alternately extending and withdrawing the elongated arm.