Mar 09, 2021 · China 8-425 9-425 chromatography vial septa exporter price Aug 16, 2021 · Our standard 2 mL vial is 12 mm in diameter, 32 mm in height, and has a 4.6 mm opening. The thread size on this vial is 8-425. Choice of clear or amber glass. Precleaned or silanized options available.