12mm Diameter Lead Screw With Brass Nut, 400mm Long, 2mm Pitch, 8mm Lead, 4 Starts, Acme Thread Precision Rod For 3D Printer Z Axis And CNC Projects, Ready To Install In Your DIY Machine

12mm Lead Screw with Brass Nut, 400mm Long, 2mm Pitch
✔️ 12mm dia, 400mm long, 2mm pitch, 8mm lead, 4-start, 1 pc

This 12 mm diameter lead screw with a brass nut is a precision drive rod designed for DIY CNC machines, 3D printer Z axis assemblies, and other linear motion projects. It’s a solid choice for reliable, smooth translation of rotation into precise linear travel in hobby builds.

✅ Lead screw diameter 12 mm
✅ Overall length 400 mm (15.75 in), pitch 2 mm, lead 8 mm
✅ 4-start Acme thread for smooth, precise travel
✅ Material: 304 stainless steel rod with brass nut
✅ Includes 1 lead screw and 1 brass nut; customization available
✅ End chamfered for easy installation

💡 What is a lead screw used for in DIY CNC and 3D printers? This handy drive screw converts rotation into precise linear motion to move axes accurately.

- Converts rotation into linear motion for precise positioning
- Handy for Z axis on printers and CNC
- Works with brass or POM nuts; customization available
- Ideal for hobby CNC, 3D printers, and small automation