Bi Directional 20mm Lead Screw Set 500mm Length With 2 Brass Nuts Right And Left Hand Acme Thread 4mm Pitch For DIY 3D Printers Plug And Play Ready 19.69 Inch Total Length
✔️ 20mm dia, 4mm pitch, 500mm total length, includes 2 brass nuts
This bi-directional lead screw set is built for precise, repeatable linear motion in DIY CNC machines and 3D printers. Made from 304 stainless steel with brass T20 nuts, it delivers durability and smooth operation. The right-hand and left-hand threads run 240mm each with a ~20mm middle joint for easy alignment, and the package includes two brass nuts and no end machining.
✅ 20mm lead screw diameter; 304 stainless steel rod; total length 500mm (19.69 in) with 4mm lead
✅ Bi-directional design with 2 brass nuts (T20, 4 holes to fix to the machine), no end machining
✅ Right-hand and left-hand threads are 240mm each, middle joint ~20mm (0.79 in)
✅ Chamfered ends for easy installation; plug-and-play ready for DIY printers and CNC setups
💡 What is a lead screw set used for in CNC machines and 3D printers?
This handy device translates rotation into precise linear motion for accurate positioning. - Lead screws translate rotary motion into precise linear travel for positioning.- Bi-directional design helps synchronize two motors and reduce drift.
- Stainless steel screw rods with brass nuts offer smooth operation and long life.