Hellermanntyton brass conduit connector sc sm series hellermann tyton 166 30411 the hellermanntyton 166 30400 sc12 sm pg9 is a brass connector for metallic conduit from the sc sm series the connector has a swivel external pg9 thread and comprises of two parts the shell and the body the connectors have been nickel plated hellermanntyton 166 30411 sc12 sm pg9 brass conduit connector pg9 102mm