Pro Grade 25mm CNC Ballscrew Kit SFU2504 Anti Backlash With RM2504 116.14 In Length Nut BK BF20 End Blocks Flexible Coupler Nut Housing And Nema 34 Stepper Motor Bracket

Premium 25mm CNC Ballscrew Kit with RM2504 Bundle
✔️ 116.14in length, 25mm dia, 4mm lead; RM2504 kit

The Pro Grade 25mm CNC ballscrew kit is a precision drive system built for high accuracy in CNC mills, routers, and gantry setups. It includes SFU2504 ball screw, RM2504 nut, BK/BF20 end blocks with integrated motor bracket, a flexible coupling, and a nut housing. This setup helps you achieve tight alignment and sturdy transmission for smooth, low-noise operation.

✅ Ball screw diameter 25 mm, lead 4 mm, total length 2950 mm (116.14 in)
✅ Nut integrated with BK20 end blocks and mounting bracket
✅ Includes RM2504 nut, BF20/BK20 end bearing blocks, flexible coupling, nut housing, and Nema 34 motor bracket
✅ Material: GCr15 steel; precision grade C7; rolled thread process
✅ 14 mm motor shaft bore on coupling; ready for assembly; lead time 7-10 business days

💡What is a ballscrew kit used for in CNC machines and linear motion systems?

A handy primer for buyers. - Provides precise linear motion with minimal backlash for reliable positioning
- Improves repeatability in milling, routing, and automation
- Includes integrated BK20 end blocks and motor bracket for easy mounting