8mm Metric Lead Screw

Description

8mm Metric Lead Screw – Tr8*8 4-Start ACME Screw for CNC & 3D Printer Z-Axis

Drive your machine with this 8mm Metric Lead Screw. Featuring a Tr8*8 profile with 4 starts, this lead screw delivers fast linear motion with smooth, accurate movement for CNC machines, 3D printers, and automation builds. Whether you’re upgrading an existing Z-axis or building a new machine from scratch, this screw provides the precision and speed you need.

The Metric Lead Screw is machined to consistent tolerances for minimal backlash and reliable positioning. The 4-start design provides faster travel per revolution, making it ideal for applications that need both speed and precision. With an 8mm diameter and 2mm pitch, this screw moves 8mm per full revolution, allowing quick positioning without sacrificing accuracy. The trapezoidal thread profile engages smoothly with matching nuts for stable, repeatable motion.

Compatible with standard Tr8 anti-backlash nuts and bearings, this  Metric Lead Screw fits common CNC routers, 3D printers, and automation builds. It works with NEMA17 and NEMA23 stepper motors when paired with the right coupling and nut block. Whether you’re replacing a worn screw or building a new machine, this lead screw delivers dependable performance across a wide range of applications.

Key specs:

• Type: 8mm Metric Lead Screw

• Model: Tr8*8

• Starts: 4

• Diameter: 8mm

• Pitch: 2mm

• Lead: 8mm per revolution

• Application: CNC Z-Axis, 3D Printer, Automation

• Compatibility: Tr8 nuts and bearings, NEMA17/NEMA23

Whether you’re upgrading an existing machine or starting a new build, this Metric Lead Screw gives you the precision and reliability you need for smooth, accurate linear motion. From fine engraving to rapid positioning, this screw is built to handle demanding CNC and 3D printing tasks with consistent results.