Profile: Wightman Stewart specializes in waterjet consumables and spares. The Z-series waterjet features ball screws for accuracy, repeatability and reliability. It also contains laser calibration of all systems to map all ball screws, multiple cutting heads on one carriage or on independent carriages and lip seal design for multiple, easy to move independent carriages. The waterjet cutting head is an essential piece of any cutting system. AccuStream's precision engineering allows its cutting heads to balance power and speed with versatility and durability.