25mm Ballscrew Kit SFU2504 RM2504 Anti-Backlash Ball Screw Length 12.6 inch / 320mm 4mm Pitch + Ball Screw Nut + BK/BF20 Bearing End Supports+ Coupler, High Precision Part for CNC Machine

25mm SFU2504 Ball Screw Kit with RM2504 Nut and BK20 End Supports
✔️ Lead 4 mm, 320 mm length, 25 mm diameter, nut, BK20/BF20 end supports, coupling

Upgrade your CNC or linear motion setup with this precision 25 mm ball screw kit, crafted for high stiffness and accurate travel. Perfect for CNC routers, mills, and other automated machines needing smooth, backlash-controlled movement.

✅ Ball screw diameter 25 mm (0.984 in) and lead 4 mm (0.157 in)
✅ Total length 320 mm (12.60 in) with standard BK20/BF20 end supports
✅ Includes ball screw Nut, BK20/BF20 end bearing supports with locknuts and circlips
✅ Flexible coupling included; motor shaft bore default 14 mm (0.551 in)
✅ Precision C7 grade steel; low friction and anti-backlash design
✅ CAD drawings and 3D modeling files available on request; lifetime tech support

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

This handy upgrade converts rotary motion into precise linear movement with minimal play.

- Improves accuracy and repeatability in motion systems - Anti-backlash nut helps eliminate play for consistent results - Handles high speed and micro-feeding with smooth action - Fits BK20/BF20 end supports and coupling for easy install