Gap between the plates
Flash formed around the head
Plate surface damaged
Weak head
Buckling
Gapping
Splitting
Tearing
Plates surface damaged
Head weak and poorly shaped
Gap between plates weak joint
Flash formed around head
Dia of rivet too small
Dia of rivet too larger
Rivet holes drilled head to the edge of plate
Holes being too close together
Rivet tends to bend and deform
Gap between plates and weak joint