Screw Cap Vial found in: Thomas Screw Cap Septum Vials, 9-425 Screw Thread Closures, for use with R.A.M. Vials, Transport Vials, Polyethylene.. Vials with open top caps (9711B25, B55) Borosilicate glass Consists of screw-necked vials and 9711C10 series open-top screw caps.