HGR20 Linear Motion Kit with 2pcs 800mm Rails and SFU1605 850mm Anti Backlash Ball Screw, BK12 BF12 End Supports, DSG16H Nut Housing and Coupler for CNC Machines

HGR20 Linear Rail and SFU1605 Ball Screw CNC Motion Kit
✔️ 800mm Linear Guide Rails with 850mm Anti Backlash Ball Screw Set

This linear motion CNC kit combines precision HGR20 guide rails with a matched SFU1605 ball screw to create smooth, accurate movement for CNC and automation machines. It’s commonly used in DIY CNC routers, lathes, machine tools, and fabrication equipment where straight travel and stable positioning are required.

Pack size: 1 complete set including rails, ball screw, supports, nut, housing, and coupler

✅ Includes 2 HGR20 linear guide rails, each 800mm long
✅ Includes 4 matching linear bearing blocks
✅ Includes 1 RM1605 ball screw, 850mm long with end machining
✅ Ball screw diameter: 16mm
✅ Lead and pitch: 5mm per revolution
✅ Includes metal ball nut with DSG16H nut housing
✅ Includes BK12 fixed and BF12 floating end supports
✅ Includes shaft coupler for motor connection
✅ Chrome plated surfaces for rust resistance and long service life
✅ High hardness up to HRC62 for durability
✅ Low friction rolling motion for smooth and accurate travel
✅ Handy for CNC routers, lathes, machine tools, bending machines, and laser equipment

Dimensions
Parameter Value
Linear Rail Length 800mm
Ball Screw Length 850mm
Ball Screw Diameter 16mm
Ball Screw Lead Pitch 5mm

💡 What is the benefit of using linear rails with an anti backlash ball screw in CNC machines?
Combining linear rails with an anti backlash ball screw improves motion control and machine accuracy.

• Keeps linear travel straight and rigid under cutting loads

• Reduces lost motion for better positioning accuracy

• Maintains low friction for smoother motor performance

• Extends service life of bearings and drive components

This CNC motion kit is a handy choice when you want clean alignment, smooth travel, and dependable performance in automation and CNC machine builds.