plug weld reinforcement

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Plug welds are used to replace factory spot welds The plug weld is formed by punching or drilling a 516” hole in the outer panel to be joined Duplicate the

plug slot This document defines plug and slot welds and discusses how they are represented in welding symbols Plug welds use a round hole while slot

plug or 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