Premium Double Ballnut Kit With BK And BF12 End Supports For 850Mm RM1605 Screw Plus DFU Coupler Assembly Ensures Ultra-Low Backlash And Silky Smooth Motion For Serious CNC Machining Projects

850mm Lead Screw With Double Nut For CNC Machine Axes
✔️ 850mm lead screw set Includes double nut BK BF12 support blocks

This high-precision ball screw assembly kit handles heavy loads while keeping movement silent and smooth. It includes the full mounting hardware needed for installing linear axes on your machine build quickly.

✅ Low backlash double ballnut mechanism ensures accuracy
✅ Pre-assembled DFU coupling connects motor to screw
✅ Bearing steel construction resists wear under stress

💡 Why use double ball nuts for precise axis movement?
Eliminating free play makes positioning reliable during cuts.
Reducing friction inside helps motors run cooler over long shifts.
Sealing keeps dust away from internal surfaces during shop work