Screw Caps (18mm)

Atom Scientific supply 18mm screw caps engineered for robust sealing in chromatography and laboratory applications. These caps provide excellent chemical resistance and secure closures for 18mm threaded glass vials, ideal for sample integrity and analysis precision.

Our Range Includes...

Magnetic Steel Caps: For use with magnetic stirring and sample preparation.

Bonded Septa: Featuring PTFE/silicone layers for chemical compatibility.

Various Septa Thicknesses: Options suitable for SPME and standard applications.

Durable Construction: Stainless steel ensures strength and longevity.

Precision Threading: Perfect fit for 18mm screw neck vials.