Screw thread vials & closures for HPLC, GC, MS appliions. There’s a Thermo Scientific screw top vial for every HPLC, GC, MS instrument, appliion, and budget. Our screw top clear and aer glass vials and plastic screw top vials are available in 8mm, 9mm, 10mm, and 13mm screw threads. Iso9001 hplc 2 ml lab vials with high quality VWR-Aijiren