Named Ukhlat and Umraz, the short-hafted axes were simple in shape, wide in blade and heavy in head. Upon their broad faces their Khuzdul names were carved in runes.
and you can buy them from WETA.
the bad news: no, they are not made of metal but Urethrane. Which makes sense, since unlike swords, which can be left blunt, axes and other heavy metal objects can accidentally kill.