Demystifying the Plug Welding Symbol

Plug and Slot Welds plug weld and slot weld 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 weld and slot weld The flare bevel groove weld, commonly used to join a round or curved piece to a flat piece 20 20 mm 20 mm 10 mm 10 mm Page 20 Plug & Slot Welds -

plug or slot weld For example, if a diameter of a hole for a plug weld is to be 6mm, the plug weld symbol will be accompanied by Ø6 on its right side, signifying