Screw only, No nutScrews may be ordered cut to lengthCustom end machining on requestSpecificationsSpecificationsValueLead Accuracy Grade0.003 in/ftMaterialStainless Steel 303Number of Starts2Standard Lead Accuracy ±75 μm/300mmTemperature Max180 °FThread DirectionRHDimensionsDimensionValue[d2] Root Diameter0.58 in[d3] Bearing Journal Diameter, Recommended12 mmDiameter, Nominal Screw20 mmNumber of Starts2Standard Lead Accuracy ±75 μm/300mmtravel per shaft rev8 mm