10mm Wide Opening Screw Caps and Septa feature a 10-425 thread finish and are available in an assortment of styles to match your application needs. Shop Thermo Scientific™ 10mm Thermo Scientific™ 10mm Autosampler Vial Screw Thread Caps White; Septa: Shimadzu™ Red PTFE/White Silicone Thermo Scientific™ 10mm Autosampler Vial