Beefy SFU1204 Ball Screw Kit With Nut Anti Backlash for 12mm Diameter Lead 4mm 400mm Length Ideal for BK BF12 CNC Machines and DIY Router Projects For Precision Automation and Smooth Motion

SFU1204 Ball Screw Kit with Anti-Backlash Nut for 12mm CNC
✔️ 12 mm dia (0.47"), 4 mm lead (0.157"), 400 mm length (15.75")

This precision SFU1204 ball screw kit features a nut with anti-backlash to minimize play and deliver smooth, straight-line motion. Built for BK/BF12 configurations, it's a solid upgrade for CNC mills and DIY routers aiming for tighter tolerances and reliable automation.

✅ 12 mm diameter ball screw with 4 mm lead for precise travel
✅ 400 mm total length with standard BK/BF12 end machining
✅ Anti-backlash nut reduces play for high-accuracy positioning
✅ Made from bearing steel for hardness and wear resistance
✅ Low friction, smooth micro-feeding with high static and dynamic stiffness
✅ Ideal for machining centers, CNC routers, and automation projects

💡 What is a ball screw kit with anti-backlash used for in CNC machines?

It’s a handy upgrade that boosts precision and motion control in both CNC setups and DIY routers.

- reduces backlash for tight positioning - improves smoothness and control under load - compatible with BK/BF12 12 mm systems