8mm Sample Vial Cap With Septa In Stock 8mm Screw Neck HPLC Vial Fisher-Aijiren Headspace Vials Oct 08, 202 · Thermo Fisher gc 2ml screw cap vial manufacturer Thermo Scientific crimp top vials for HPLC and GC are available in 8mm, mm, or 3mm crimp border diameter in clear and amber glass and plastic.