Bi Directional 8mm Lead Screw With Two Brass Nuts For 3D Printers 320mm Long 2mm Lead And Pitch Acme Thread Right And Left Hand DIY Friendly Dual Nut Assembly For Smooth Motion And Precise Z Axis Upgrades

Bi-Directional 8mm Lead Screw with Dual Brass Nuts 320mm
✔️ 8mm diameter, 2mm lead, 320mm (12.6 in) total, dual brass nuts included

This bi-directional lead screw uses an 8mm diameter stainless steel rod with a 2mm lead, designed for 3D printers and CNC builds. It includes two brass nuts (T8) and a matched right-hand and left-hand lead screw pair for opposite movement or synchronized motion along the Z-axis. Ideal for DIY upgrades and precise, smooth travel.

✅ 304 stainless steel 8mm lead screw with 2mm lead
✅ 320mm total length (12.6 in); 150mm right, 150mm left, ~20mm middle joint
✅ Includes 2 brass T8 nuts with 4 fixing holes
✅ Bi-directional design enables opposite motion and improved sync

💡 What is a bi-directional 8mm lead screw with dual nuts typically used for in 3D printers?

It’s a handy upgrade for precise Z-axis motion and synchronized dual-motor operation.

- Improves synchronization between opposing motors on the Z axis - Reduces backlash for tighter layer tolerances - Supports DIY upgrades with flexible lengths and dual-nut setups - Provides easy installation with chamfered ends