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Befenybay 200mm 4080U Z-axis Screw Slide Table Linear Actuator Kit Linear Module for 3D Printer and DIY CNC Router Parts X Y Z Axis: Amazon.com: Industrial & Scientific
3018 CNC router Z axis parts T-Screw Aluminum Sliding platform 85mm Stroke Linear Actuator Kit Nema17/23 Stepper motor optional - AliExpress
Z Axis Slider, Z axis 7″ travel with SQUARE linear bearings
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CNC Z-axis Sliding Table DIY Milling Small Transmission Module 100mm Distance Fraisage Wood Miller Z Axis Motor CNC Router Kit - AliExpress
Aluminum Z Axis Slide 65mm Stroke Linear Actuator Kit for CNC Router 52mm Clamp | eBay
DIY CNC X Y Z Axis Linear Stage Slide Kit 6.5" Travel for Mill / Router US MADE | eBay
85mm Stroke Aluminum Z Axis Slide Linear Actuator Kit for CNC Router 52mm Clamp | eBay