FOR SALE NEW Z AXIS LINEAR ACTUATOR/SLIDE 3.5 INCH WIDE 4 INCH TRAVEL ******************************* VERY LOW PROFILE, ******************************** CONSTRUCTED HEAVY DUTY. **************** BACK PLATE AND FRONT PLATE 0.375 THICKNESS, SHAFTS ROD ARE 0.625 BRONZE BEARINGS ARE PRESS FIT **************** SPECIFICATIONS: ********************* Acme LEAD SCREW and NUT, 1/2-10 Anti corrosion socket head cap and set screws, Heavy duty MOTOR MOUNT for Nema 23 Stepp