Slot & Plug Weld Symbols

The main difference between plug welds and slot welds is the shape of the hole that is drilled into the metal A plug weld has a round hole,

Plug and slot welds join overlapping members, with one member containing holes Weld metal is

plug and slot weld symbol To enable thicker plate to be joined by 'spot welding' a circular or elongated hole may be machined through the top plate, enabling either a plug or a slot weld

plug slot Plug welds are circular welds made through one member of a lap or tee joint joining that member to the other The weld may or may not be made