8mm Lead screw stainless steel lead screw Dia 8mm threaded rod 4 start 4mm thread pitch 2mm without brass nut
8mm Lead screw 4 start has advantages of using a leadscrew is its large load carrying capability.
- 8mm T8 lead screw (4 start) is a stainless-steel trapezoidal threaded rod designed to convert motor rotation into smooth, accurate linear motion for 3D printers, CNC machines, linear actuators, and automation projects.
- The 4-start thread provides faster travel per revolution while maintaining stable motion—ideal for Z-axis lift systems and positioning mechanisms.
- Made from stainless steel, this 8mm lead screw is corrosion-resistant, durable, and suitable for low-noise, low-maintenance motion assemblies.
- This listing is for the lead screw only (without brass nut), making it perfect for replacements or builds where you want to select a matching nut separately (standard, anti-backlash, rectangular, or round).
Specifications
- Diameter: 8mm
- Thread type: Trapezoidal lead screw (T8)
- Starts: 4 start
- Pitch: 2mm
- Lead: 8mm
- Material: Stainless steel threaded rod
Features
- T8 Lead Screw Design – Standard 8mm diameter trapezoidal threaded rod for reliable linear motion.
- 4-Start Thread – Features a 4-start configuration with 2mm pitch and 8mm lead for faster linear travel.
- 8mm Travel per Revolution – Provides 8mm linear movement for every full rotation of the lead screw.
- Stainless Steel Construction – Offers good strength, durability, wear resistance, and corrosion resistance.
- Smooth Linear Motion – Designed to convert rotary motor movement into stable and precise linear movement.
Advantages
- Large load carrying capability
- Compact
- Large mechanical advantage
- Precise and accurate linear motion
- Smooth, quiet, and low maintenance
- Minimal number of parts
- Most are self-locking.
Application
- 3D printer Z-axis lead screw upgrades
- CNC and engraving machine positioning axes
- Linear actuators and motion control stages
- DIY automation, robotics, and maker projects
- Low-power actuator/positioner mechanisms
Packing List
- 1 piece of Lead Screw 8mm 4 Start without brass nut













Worth for the price
not received the brass nuts along with the rod