T8 8mm Lead 4 Start Lead Screw and Nut for 3D Printer Z Axis (L600mm) Go to amazon.com Related posts The 10 best t8 600 8 for 2022 FeatureLead Screw Diameter: 8mmScrew Pitch: 2mmLead: 8mmLead Screw Length: 600mm DescriptionPackage include: 1 pcs Lead Screw and 1 pcs Brass Flange