Luciano Narsingh's strike on the stroke of half-time put the Premier League's bottom club ahead but the underdogs responded with gusto and Stead scored the equaliser just after the hour mark.
Swans boss Carlos Carvalhal was happy with what he saw from the players who were given a chance to impress.
“We put a lot of players in who have not been involved in games recently," said the Swans boss.
“Most of the players will be ready to play against Arsenal on Tuesday, which is good for my selection.
“They have got some minutes, and that will help them come into selection for Tuesday."