Hex Standoff Thread Size M3-0.5 Standoff Thread Gender Male-Female Body Length 8 mm Thread Length 4.7 mm Body Thread Length 4.8 mm Hex Width 6 mm Square Size Not Applicable Outside Diameter 6 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