Nuts for Capillary GC Columns Connections

Use Thermo Scientific™ nuts with compatible ferrules to eliminate leaks and connect your capillary GC columns to your instrument. Thermo Scientific™ ferrules are available in three different materials - 100% Graphite, 15% Graphite / 85% Vespel, or SilTite Metal - and various dimensions to match your instrument and capillary column inner diameter. Use the nut that is compatible with your ferrule.