[PREMIUM ALUMINUM ALLOY MATERIAL] - Made of high-quality aluminum alloy, this Z axes spindle motor mount offers better rigidity, durability, and accuracy compared to plastic . It ensures a longer service life for your CNC router machine. [STABLE AND RELIABLE] - The motor can be firmly fixed to increase stability and reduce noise. Plus, the limit switch and linear bearing are pre-installed for your convenience. [MULTIFUNCTIONAL DESIGN] - The side of the Z axes features preset installation holes for upper and lower limit switches. The tophas prefabricated holes for Nema17 stepper motors, allowing you to upgrade the Z axes power. Upgrade your CNC router machine with ease. [52MM STROKE] - This Z axes spindle motor mount offers a 52mm stroke, providing a wide range of engraving possibilities for your 3018 router machine. [EXQUISITE APPEARANCE AND MANUAL HEIGHT ADJUSTMENT] - With its all-metal design, this motor mount not only enhances the appearance of your router machine but also features a convenient Z axes knob at the top. You can easily manually adjust the Z axes height without the need for power. Spec: Item Type: Z Axes Spindle Motor Mount Bearing: Scope of Application: 3018, . 52mm / 2.05in spindle engraving parts Motor Specification: NEMA17 stepper motor goods Colour:silver Material:Aluminum Alloy Package Contents: 1 * Z Axes Spindle Motor Mount Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.