What Exactly Is A Plug Weld & What Is It Good For?

Guide to Weld Types Types of Welds plug or slot weld Plug Welds or Width of Slot for Slot Welds Material Thickness Minimum Hole Diameter or Slot Width 3t IV A t 3 t≥ 3 Plug and plug slot weld Plug welds and slot welds are used join overlapping members, one of which has holes in it Weld metal is

plug and slot weld The short answer is the larger the plug the easier it is to weld If you are not given specifications then I would use a 1 diameter hole through the 12 sheet