BallScrew SFU1204 (Dia 12mm, Lead 4mm, Length 1000mm) with Ball Screw Nut Anti Backlash Ball Screw Kit Standard End Machining for BK/BF12 CNC Machine Parts

Single-pack SFU1204 Ball Screw Kit 1000mm with Nut for BK/BF12
✔️ 12 mm dia (0.47"), 4 mm lead, 1000 mm (39.37") length

Engineered for precise linear motion, this SFU1204 ball screw kit is designed for BK/BF12-sized CNC machines, ideal for hobbyists upgrading axes or building compact automation. It pairs with a standard-end machining nut for reliable anti-backlash performance.

✅ Diameter 12 mm (0.47"), lead 4 mm (0.157"), length 1000 mm (39.37")
✅ Material: bearing steel for high hardness and wear resistance
✅ Anti-backlash nut included for precise, repeatable motion
✅ Standard end machining for BK/BF12 compatibility
✅ Low starting torque, smooth micro-feeding, high stiffness

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

This handy upgrade translates rotary motion into precise linear travel with minimal play.

- Improves positioning accuracy and repeatability in CNC axes - Reduces friction and wear for longer service life - Easy integration with servo or stepper motors for smooth drive - Handy upgrade for BK/BF12 sized machines