3 Pack CNC Linear Motion Kit with 2pcs HGR20 600mm Linear Guide Rails and 4 HGH20CA Blocks plus RM1605 600mm Ball Screw Set with BK BF12 End Supports and Coupler for DIY CNC Machines

3 Pack CNC Linear Motion Kit with HGR20 Rails and RM1605 Ball Screw
✔️ 600mm Linear Guide Rail Set with HGH20 Blocks and SFU1605 Ball Screw

This CNC linear motion kit combines heavy-duty linear guide rails with a precision ball screw to build a smooth and accurate motion axis. It’s commonly used in DIY CNC machines, automation systems, robotics frames, and custom equipment where straight travel and solid load handling are required.

Pack size: 3-pack total including 2 linear rail sets and 1 ball screw set

✅ Includes 2 HGR20 linear guide rails, each 600mm and 23.62 inches long
✅ Includes 4 HGH20CA sliding carriage blocks
✅ Includes 1 RM1605 ball screw, 600mm and 23.62 inches long
✅ Ball screw diameter: 16mm and 0.63 inch
✅ Ball screw lead and pitch: 5mm and 0.20 inch per revolution
✅ Includes metal ball nut, BK12 fixed support, BF12 floating support, and coupler
✅ Linear rails made from carbon steel for rigidity and stability
✅ Bearings made from bearing steel for smooth rolling motion
✅ Length tolerance: ±0.5mm and ±0.02 inch
✅ Handy for DIY CNC machines, automation equipment, robotics, and industrial motion setups

Dimensions
Parameter Value
Linear Rail Length 600mm 23.62 in
Ball Screw Length 600mm 23.62 in
Ball Screw Diameter 16mm 0.63 in
Ball Screw Lead Pitch 5mm 0.20 in
Length Tolerance ±0.5mm ±0.02 in

💡 Why use a matched linear rail and ball screw kit for CNC motion axes?
Matched motion components help CNC and automation systems move smoothly and stay aligned under load.

• Keeps travel straight and rigid during cutting or positioning moves

• Reduces friction and backlash compared to basic slide mechanisms

• Improves repeatability and positioning accuracy

• Helps motors and bearings run smoother with less wear over time

This linear motion kit is a handy choice when you want steady travel, clean alignment, and dependable performance in CNC machines, automation builds, and robotic projects.