Plug welds and slot welds are identified by the same symbol, except

A plug weld is used to fasten two pieces of metal together using a welder When joining the pieces, a hole is drilled into the top piece and

Plug Weld or slot weld: It is used for attaching flat plates using one or more holes or slots in the top part and then filling with filler metal

plug or slot weld 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 through a hole in

plug weld and slot weld Plug weld - perpendicular · Plug weld - with bevel · Groove weld - perpendicular · Groove weld