400mm TR8x4 Lead Screw With Brass Nut Acme Thread For 3D Printer Upgrades 2mm Pitch 2 Starts 4mm Lead 304 Stainless Steel Bar Pack Of 2 Silver High Precision For Smooth Linear Motion
✔️ 2 mm pitch, 4 mm lead, 400 mm long, pack of 2, stainless
This 400 mm long lead screw set uses a TR8x4 Acme thread with brass nuts, delivering smooth, precise linear motion for 3D printers and CNC machines. The stainless steel screw offers excellent rust resistance for reliable long-term use.
✅ Lead screw: TR8x4, 2 mm pitch, 4 mm lead, length 400 mm (15.75 in)
✅ Nut size: outer diameter 22 mm (0.86 in), thickness 15 mm (0.59 in)
✅ Includes 2 lead screws and 2 brass nuts in PP plastic tube
✅ Material: 304 stainless steel screw, brass nut; rust resistant
✅ Pack: 2 pieces in protective packaging
💡 What is a lead screw used for in precision motion systems? Lead screws convert rotary motion into linear motion with high accuracy. - Handy for 3D printers, CNC machines, and automation - Improves positioning and repeatability - Handles load smoothly for consistent operation