Screw only, No nutScrews may be ordered cut to lengthCustom end machining on requestSpecificationsSpecificationsValueLead Accuracy Grade0.003 in/ftMaterialStainless Steel 303Number of Starts1Standard Lead Accuracy ±0.003 in/ftTemperature Max180 °FThread DirectionRHWeight1.2 lb/ftDimensionsDimensionValue[d2] Root Diameter0.56 in[d3] Bearing Journal Diameter, Recommended12 mmDiameter, Nominal Screw0.75 inNumber of Starts1Standard Lead Accuracy ±0.003 in/fttravel per shaft rev0.167 in