2ml SCREW VIALS AND CAP / SEPTA. CCI TM has wide offering of 11.6mm x 32mm glass and plastic vials, inserts and closures in the industry. 9mm screw thread vials are the preferred choice for modern robotic auto samplers. 11mm crimp top, 11mm crimp / snap, 8-425 screw thread vials are available as individual components as well as convenience kits that include vials, caps and septa.