Hellermanntyton fittings for metallic conduit and metallic overbraid scsb fm hellermann tyton 166 34608 the hellermanntyton 166 34608 scsb12 is a metallic conduit connector with a fixed external thread from the scsb fm series the fitting comprises of two parts the shell and the body the pg11 connector has been manufactured from nickel plated brass hellermanntyton 166 34608 scsb16 fm pg11 conduit fitting pg11 13mm