Precision Lead Screw, Nut Type Standard, Coating Material PTFE, Screw Material Stainless Steel, Screw Material Grade 300, Nut Shape Triangle, Screw Diameter 12 mm, Lead Length 5 mm, Screw Length 508 mm, Nut Length 38.1 mm, Nut Flange Diameter 44.5 mm, Nut Dynamic Load Capacity 778 N, Assembly Type Lead Screw and Nut Assembly, Nut Bolt Circle Diameter 35.7 mm, Nut Diameter 16.9 mm, Nut Flange Thickness 6.4 mm