VWR® 8-425 Screw-Thread Vials. Supplier: VWR International. Description: Standard opening screw-thread vials are manufactured from borosilicate glass and have a maximum fill volume of 1.8 mL. Certificates. ,82028-420CS,66009-874CS,82028-422CS,46610-736CS,46610-736PK,66009-882CS,66020-950PK,66020-950CS,66009-878CS,66009-878PK.