Heavy Duty 25mm CNC Ballscrew Kit SFU2504 RM2504 Anti Backlash With Nut End Blocks BK BF20 Coupler Nut Housing And Motor Bracket For Nema 34 Stepper Motor 2650mm Long 104.33 Inch Travel

Heavy Duty 25mm CNC Ballscrew Kit SFU2504 RM2504 (1 Kit)
✔️ 25mm lead ballscrew, 2650mm (104.33in) travel, BK20 end blocks

This CNC ballscrew kit delivers a complete, ready-to-install precision drive for linear motion systems, typically used on milling machines, routers, and automated CNC setups that require tight axis alignment and reduced backlash. It’s designed to integrate with Nema 34 motors and BF20 mounting configurations for solid, ready-to-run performance.

✅ 25 mm diameter ball screw with 4 mm lead, rolled thread, GCr15 steel (C7 grade)
✅ BK20 end bearing blocks with integrated motor mounting and locknuts
✅ BF20 end support and motor bracket for Nema 34; 14 mm motor shaft bore default
✅ Ball screw nut housing included for compact, secure assembly
✅ Travel length 2650 mm (104.33 in); precision class C7 (C5 available on request)
✅ Lead time 7-10 business days (excluding holidays)

💡 What is a ball screw kit used for in CNC machines? It’s a handy way to achieve precise motion on linear axes.

- Improves straight-line accuracy and reduces axis play - Provides smooth, high-speed motion with low starting torque - Works with Nema 34 motors, BK20 end blocks, and BF20 mounts for sturdy builds - Includes CAD drawings and 3D modeling files for quick integration