Material: SUS304 Stainless steel lead screw + copper nut
Lead Screw Length: 500mm, Lead of thread: 8mm
Lead Screw diameter: 8mm, Lead Screw spacing: 2mm
Thread: Acme thread, Copper
nut: with 4 holes for fixing to the machine.
WHAT YOU GET: 2pcs 500mm Tr8x2 Lead Screw With T8 Brass Nut. 30-Days money back guarantee, 1-Year warranty, 24/7 friendly customer service.