Two Piece HGR20 400mm Linear Rail And RM1605 450mm Ballscrew Kit With BF12 BK12 Nut Housing Coupling And Slide Blocks For DIY CNC Routers Lathes Mills Rig

Two-piece HGR20 400mm Rail and RM1605 450mm Ball Screw Kit ✔️ Includes 2x HGR20-400 rails, RM1605-450 screw, 4 blocks, coupler.

The kit is built for high-precision linear motion in automation gear. It pairs two HGR20-400 rails with a RM1605-450 ballscrew and nut, plus BK12/BF12 end supports and a coupling. It's widely used in DIY CNC routers, lathes, machine tools, bending machines, and laser welding machines for accurate, repeatable travel. It also features pre-drilled rails for easy mounting and alignment.

✅ Two-piece kit includes HGR20-400 rails and RM1605-450 screw.
✅ Four guide blocks provide stable, smooth linear movement with low noise.
✅ BK12/BF12 end supports and a coupling included for easy mounting.
✅ Pre-drilled rails enable quick, secure installation.
✅ DSG16H nut housing secures the ball nut for reliable travel.

💡 What is a linear rail and ball screw kit used for in CNC machines?

Handy answer: It provides precise, repeatable motion for accurate machining and automation.

- It delivers smooth, low-friction travel for precise positioning.
- Combines rails, blocks, screws, and end supports to form a complete motion system.
- Helps convert rotary drive into linear movement with reliable repeatability.✝️