Two Pack HGR15 HGH15 Linear Guide Rails 300mm Length With Four HGH15CA Carriages RM SFU1605 Ball Screw Set For DIY CNC Machine Precision Sliding Rail System 11.81 Inch With End Supports And Coupler For Easy Mounting

3-pack: 300mm (11.81in) HGR/HGH rail kit w/ 4 carriages
✔️ 300mm rails, 4 HGH15CA blocks, RM1605 screw set, BK12/BF12

This kit includes two 300mm HGR15/HGH15 linear guide rails along with four sliding carriages and a complete RM1605 ball screw assembly. It's built for DIY CNC machines, automation rigs, and robotics projects needing precise, smooth linear motion.

✅ 2 x 300mm HGR15 linear guide rails
✅ 4 x HGH15CA sliding carriages
✅ RM1605 ball screw set (300mm) + 1 x RM1605 ball nut
✅ BK12 and BF12 end supports + coupler included
✅ Carbon steel rails and bearings steel carriages, ±0.5mm tolerance

💡 What is a pillow block bearing used for?

This kind of bearing setup keeps shafts aligned and reduces friction across a range of machines. - Handy for hand-built CNCs, automation rigs, and robotics projects - Keeps shafts aligned and bearings running smoothly - Suitable for sealed ball bearings and ceramic variants for longer life