A Gang-Nail connector is a steel plate with a collection of spikes or nails projecting from one face (see product image). The spikes, or teeth, are formed by punching slots in steel but leaving one end of the ‘plug’ connected to the sheet. The teeth are then formed so they project at right angles to the plate. During this process the teeth are shaped to produce a rigid projection. When the teeth of a connector plate are pressed into timber laid end-to- end, the plate ‘welds’ them together by forming a Gang-Nail joint.