Screw thread vials, 8-425. Supplier: VWR Collection. VWR®. VWRU66020-950EA 29.1 SGD. VWRU66009-878 VWRU66020-950 VWRU46610-736. Screw thread vials, 8-425. Vials Chromatography Vials. Standard opening screw-thread vials are manufactured from borosilicate glass and have a maximum fill volume of 1,8 ml. Screw caps with preattached septa.