Sliding block CNC Linear Actuator Rail Guide Slide Ball Screw+Nema23 Motor 600mm | eBay
CNC Sliding Table 200mm Heavy Load 250kg Stroke Square Rails Electric Horizontal Ballscrew 1605 Cross Slide C7 for CNC Engraving Machine: Amazon.com: Industrial & Scientific
Azi Linear Bearing Slide Block CNC Machine Linear Guide Rail - China Roller Linear Guide, Linear Bearing | Made-in-China.com
Mssoomm Linear Rail Shaft Guide and Linear Bearing Slide Block, 2Pcs SBR12-5.91 inch / 150mm Rails +4Pcs SBR12UU Blocks with End Stops to Choose for CNC Router Machine and 3D Printer: Amazon.com:
Source Cheap z Axis CNC Module 5 Axis Linear Slide Guide for XYZ Linear Stage on m.alibaba.com
100mm Manual Sliding Table Ball Screw 1605 Linear Stage CNC Slide Stroke Module for CNC Router X Y Z Axis - Walmart.com