25mm CNC Ballscrew Kit SFU2504 RM2504 AntiBacklash 2600mm Ball Screw With 4mm Lead Nut Assembly BK BF20 End Blocks Flexible Coupler Nut Housing And Nema 34 Motor Bracket

25mm Ballscrew CNC Kit SFU2504 RM2504 1 Set with Brackets
✔️ 2600mm ballscrew (102.36 in) 4mm lead, BK20 end blocks, motor bracket

This CNC ballscrew kit delivers precise linear motion for milling, routing, and automation builds. It aligns the motor shaft, coupling, and screw axis for tight performance, making it ideal for CNC routers, mill tables, and gantry systems.

✅ 25 mm diameter SFU2504 ball screw in GCr15 steel, rolled thread
✅ Lead 4 mm with anti-backlash nut for precise, repeatable motion
✅ Total length 2600 mm (102.36 in) with nut housing and BK20 end blocks
✅ NEMA 34 motor bracket included and BK20 mounting blocks with deep groove bearings
✅ Cast steel BK20 end blocks provide rigidity and alignment

💡 What is a ballscrew kit used for in CNC machines? It provides precise, low-backlash linear motion for reliable automation. - Low backlash for repeatable positioning - Smooth micro-feeding at high speeds - Easy integration with standard motor brackets and mounting blocks