Hex Standoff Thread Size M2.5-0.45 Standoff Thread Gender Male-Female Body Length 10 mm Thread Length 3.9 mm Body Thread Length 4.8 mm Hex Width 4.5 mm Square Size Not Applicable Outside Diameter 4.5 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