Screw Neck Vials found in: Headspace Vials, Standard 22 x 38 Crimp Top, Screw neck vials, N 15, Screw neck vials (EPA), N 24, Thomas Screw Cap Septum Vials.. Vials with open top caps (9711B25, B55) Borosilicate glass Consists of screw-necked vials and 9711C10 series open-top screw caps. caps.