Provided is a fluid dispensing system with a dispense nozzle with a threaded outer surface and a fluid dispensing apparatus with a movable dispenser arm with an opening that includes threaded inner walls that receive the dispense nozzle therein. Also provided is a method for aligning a dispense head in a coating tool. Horizontal alignment is achieved by rotating the dispense nozzle until its tip is in contact with the chuck then laterally adjusting the dispenser arm position so that the tip is positioned over a center of the chuck. Vertical alignment is achieved by rotating the dispense nozzle until an indicia of the dispense nozzle is at the same vertical location as a designated physical feature of the dispenser arm.