There are those who fear the small amounts of lead contained in brass, and those who do not ... I am one who does not. Being that the heat generated by our atties is not high enough to bring the brass to a boiling point, I see no reason to be concerned.
Secondly, chromed brass posts and screws have been in use in ecigarette products for quite some time, and I still have yet to hear of a single case of anyone being lead poisoned by their vape gear. Lead poisoning is serious enough that if any such thing had happened, I am sure we would have heard about it.
At the end of the day you should do whatever would make you feel most comfortable ...
Secondly, chromed brass posts and screws have been in use in ecigarette products for quite some time, and I still have yet to hear of a single case of anyone being lead poisoned by their vape gear. Lead poisoning is serious enough that if any such thing had happened, I am sure we would have heard about it.
At the end of the day you should do whatever would make you feel most comfortable ...