J.W. Winco, Inc., a supplier of standard industrial machine components, announced it now offers series GN 291-NI Linear Actuators with left or right hand thread, as part of its new complete line of tube connection and conveyor components. The metric-sized, RoHS compliant linear actuators have a guide tube made of stainless steel. The trapezoidal threaded shaft and thrust ball bearings are of stainless steel, the follower nut is steel with a gun metal finish and the end cap is plastic. The actuators are offered in four types: single shaft end with right hand thread, single shaft end with left hand thread, two shaft ends with right hand thread and two shaft ends with left hand thread. Along with J.W. Winco's extensive range of tube clamp connectors, there are a number of additional components for mounting on linear actuators to construct slide units. In order to measure the movement and position of the slides, digital as well as analog position indicators can be added. Also, the guide tube can be equipped with a longitudinal scale along the slot.