Double Nut 25mm Ball Screw Kit 2950mm Long With Nut, BK20 BF20 End Supports, Coupler, Nut Housing, And Motor Bracket For Nema 52 Motor, High Precision CNC And DIY Robotic Projects

High-precision 25mm ball screw kit for CNC and robotics
✔️ 25mm diameter, 5mm lead, 2950mm (116.14in) length kit with double nut, BK20/BF20 supports, coupler, and Nema 52 motor bracket for accurate setups

This ball screw kit is a complete setup for linear motion systems, commonly used in CNC machining and DIY robotics to deliver smooth, precise movement in projects like automated tools or 3D printers.

✅ 25mm diameter with 5mm lead for efficient power transmission
✅ Total length of 2950mm (116.14 inches) for extended reach in large builds
✅ C7 grade precision using GCr15 steel for reliable durability
✅ Includes double nut, BK20/BF20 end supports, flexible coupler, and nut housing
✅ Designed for Nema 52 motors to minimize noise and extend wear life

💡 Why do double nut ball screws help cut down backlash in machine tools? That's a solid question for anyone building precision gear. In short, they keep things lined up tight for better accuracy. - Reduces play between parts to hit exact positions every time - Boosts stability without needing extra tweaks - Lowers friction for smoother runs in high-speed setups - Extends the lifespan by handling more load without slipping