Features:
Copper nut, with 4 holes for fixing to the machine
Nut turn an around move 4mm
Screw nut made of copper,durable and wear-resisting
Used on stepping motor driving guide rail,machine tool, and other equipment.
Fit for 3D printers, engraving machine, etc...Widely use for machinery industry, construction industry, automobile construction, electric power engineering.

Specification:
Material: Stainless Steel Lead Screw; Copper Nut
Pitch: 2mm;
The Lead of Thread: 4mm
Lead Screw: Diameter: 8mm; Length: 100mm
Copper Nut: Height: 10.5mm; Diameter: 22mm; Hole Threaded: M3; Hole Center Distance (Diagonal): 16mm
Total Weight: 84g

Package include:
2 x Lead Screw
2 x Copper Nut