Type CM: Single Threaded FittingA single threaded pipe fitting is attached to the end of a cartridge heater to allow for installation into a threaded hole. This mounting option, available with many terminations, can also be offset from the lead end of the sheath. This option is useful when the lead wires need to be kept away from the heated area. Brass fittings are silver brazed and stainless steel fittings are heli-arc welded. Available with the potting seals listed in the table.