T8 Lead Screw 8mm Diameter 350mm Length With 12 Lead Stainless Steel Lead Screw Rod And Copper Nut Trapezoidal Thread For 3D Printer Z Axis High Precision Linear Motion

8x350mm T8 Lead Screw with 12mm Lead for Z Axis
✔️ 8mm dia, 350mm length, 12mm lead, copper nut included, single pack

These precision lead screw rods pair with a copper nut to create smooth, high-precision linear motion on the Z axis. Designed for accurate movement in 3D printers, engraving machines, and small CNC setups, they keep your workpiece aligned and repeatable.

✅ Lead Screw Diameter: 8 mm; Length: 350 mm; Lead: 12 mm
✅ Pitch: 2 mm; Material: stainless steel screw; Copper nut included
✅ Copper Nut: four fixing holes; wear-resistant and durable
✅ Weight: approx 120 g; rust and heat resistant
✅ Compatible with 3D printers, engraving machines, and stepper-guided guides

Dimension	Metric	Imperial
Lead Screw Diameter	8 mm	0.315 in
Lead Screw Length	350 mm	13.78 in
Lead	12 mm	0.472 in
Pitch	2 mm	0.079 in
Copper Nut Diameter	22 mm	0.866 in
Copper Nut Height	10.5 mm	0.413 in

✅ Total weight about 120 g

💡 What is a lead screw used for in precision machines? Lead screws provide precise linear motion for guiding axes in printers and CNC devices. They are handy for accurate positioning and repeatable travel on automated stages.

- Long-term stability and smooth travel on the Z axis - High-precision positioning with low backlash - Works with copper nuts and trapezoidal threads - Good resistance to heat and corrosion