Hex Standoff Thread Size M4-0.7 Standoff Thread Gender Female-Female Overall Length 19 mm Body Length 19 mm Thread Length 19 mm Body Thread Length 19 mm Hex Width 8 mm Square Size Not Applicable Outside Diameter 8 mm Shape Hex Material Stainless Steel Material Grade/Class 18-8 Finish Plain Pack Size Small Pack System of Measurement Metric Color Silver Material Quality Standards ASTM A582 Hex Width Tolerance +/-0.13 mm