400mm 8mm T8 Lead Screw TR8x2 Acme Thread 2mm Pitch 1 Start 2mm Lead With Brass Nut For Z Axis On LCD DLP SLA 3D Printers And CNC Machines Stainless Steel Four Fixing Holes Solid Upgrade

Premium 400mm T8x2 Lead Screw with Acme Thread
✔️ Diameter 8mm (0.315 in), length 400mm (15.75 in); 2mm lead

This lead screw kit includes 1x T8x2 400mm lead screw and 1x brass nut with four fixing holes, ideal for Z-axis on 3D printers and CNC machines such as Ultimaker and Prusa i3.

✅ 8 mm diameter, 400 mm length, SUS304 stainless steel
✅ Acme thread with 2 mm lead, 1 start for precise motion
✅ Brass nut with 4 mounting holes for secure fixing
✅ Includes 1x lead screw and 1x brass nut in the pack
✅ Optional anti-backlash spring-loaded nut for higher accuracy

💡 What is a lead screw used for in CNC machines and 3D printers?

Lead screws are handy for precise, smooth linear motion in critical axes such as the Z-axis. They convert rotation into precise vertical movement, delivering stable, repeatable results.

- Converts rotary motion to linear motion for precise Z-axis positioning
- High load capacity and smooth travel for stable operation
- Anti-backlash options improve accuracy on long runs
- Ideal for 3D printers and light CNC work that need quiet, low-maintenance motion