Pricing. SU860091. black polypropylene hole cap, thread for 8-425, PTFE/rubber septum, for use with 11.6 × 32mm vial (standard opening), pkg of 100 ea. Expand. Hide. 854984. black polypropylene hole cap, thread for 8-425, PTFE/rubber septum, for use with 11.6 × 32 mm vial (standard opening), pkg of 1000 ea.