Beefy 20mm CNC Ballscrew Kit SFU2005 RM2005 Anti Backlash With 1650mm Long Ball Screw Nut BK BF15 Bearing End Blocks Coupler Nut Housing And Motor Bracket For Nema 34 Stepper Motor

Heavy-Duty 20mm CNC Ballscrew Kit SFU2005 RM2005 ✔️ 1650mm long 20mm screw with anti-backlash nut, BK15 end blocks

This kit is a high-precision ball screw assembly designed for CNC machines and automation projects. It is commonly used to convert rotary motion to precise linear travel, supporting NEMA 34 stepper motors and offering tight alignment for smooth operation.

✅ Ball screw diameter: 20mm
✅ Lead / pitch: 5mm
✅ Total length: 1650mm (64.96 inch)
✅ Includes RM2005, SFU2005, Ball Screw Nut, and BK15/BF15 End Support blocks with motor bracket
✅ BK15 end blocks integrated with motor bracket, locknuts, and circlips
✅ Coupler included for 8mm motor shaft (customizable on request)
✅ Ball Screw Nut Housing and precision hinges; material: GCr15 steel, C7 grade (option C5)
✅ End-to-end alignment ensures straight screw axis for quieter, sturdier drive

What is a ball screw kit used for in CNC machines and how does anti-backlash help?

💡 - It converts rotary motion into precise linear motion with minimal play - Anti-backlash features tighten nut to reduce motion gaps, improving repeatability - Integrates with NEMA 34 steppers for straightforward mounting and alignment - Supports high speed and fine micro-feeding for accurate positioning ✝️