20mm CNC Ballscrew Kit With SFU2005 RM2005 Anti Backlash, 300mm Lead 5mm, Nut, BK BF15 End Blocks, Flexible Coupler, Nut Housing, And Nema 23 Motor Bracket For Stepper DIY Machining
✔️ Lead 5 mm, travel 300 mm, BK15 end blocks, motor bracket
This complete kit pairs a 20 mm diameter SFU2005 ball screw with RM2005 anti-backlash nut and a NEMA 23 motor bracket. It includes BK15/BF15 end supports, a flexible coupler, a ball screw nut housing, and mounting hardware. Ideal for DIY CNC machines, milling rigs, and precision linear motion projects.
✅ Ball screw diameter: 20 mm
✅ Lead / Pitch: 5 mm
✅ Total length: 11.81 inch / 300 mm
✅ Includes BK15/BF15 end supports and motor bracket for Nema 23
✅ 8 mm coupler bore (adjustable on request)
✅ Material: GCr15 steel; end blocks cast steel; precision C7 Grade
✅ Anti backslash nut RM2005 for smoother, quieter, longer life
💡 What is a 20mm SFU2005 ballscrew with RM2005 anti-backlash used for in CNC and DIY machining?
Short intro: This setup is handy for precise, smooth motion in compact machines.
- Provides precise linear motion for CNC routers, hobby mills, and 3D printers
- Minimizes backlash for repeatable positioning at varying speeds
- Works with NEMA 23 motors using BK15/BF15 end supports and 8 mm coupler