Beefy 8mm Lead Screw 350mm Long With Brass Nut Twin Pack For 3D Printer Z Axis CNC, T8 X 8 Thread, 2mm Pitch, 8mm Lead, Four Starts, 2 Pcs, No End Machining Needed, Durable Precision Ground Screws

Heavy-Duty 8mm Lead Screws, 350mm Dual Pack with Brass Nuts
✔️ 8mm dia, 2mm pitch, 8mm lead, 4-start, 350mm length, 2 pcs

These high-precision lead screws are built for precise Z-axis motion in 3D printers and CNC machines. The twin-pack includes two stainless steel screws and brass nuts, no end machining needed for quick upgrades and reliable performance.

✅ 8mm diameter lead screw with 350mm total length (13.78")
✅ Pitch 2mm; lead 8mm; four-start thread
✅ Includes 2 brass nuts; no end machining needed
✅ Stainless steel rod with brass nuts; rust-resistant and smooth
✅ Pack: 2 screws and 2 brass nuts for CNC/Z-axis projects

💡 What is a lead screw used for in motion control systems? Lead screws convert rotational motion into precise linear movement for positioning in CNC machines and 3D printers. - Handy for precise Z-axis travel - Provides controlled, repeatable travel with low backlash - Works with brass or steel nuts for smooth operation - Pair with proper lubricants and alignment for longer life