Pop rivets - Pop rivets

Blind rivets or Pop rivets are tubular and supplied with a mandrel through the centre. The rivet assembly is inserted in a hole drilled through the parts to be joined and a specially designed tool is used to draw the mandrel into the rivet. This expands the blind end of the rivet and the mandrel snaps off. These types of blind rivet have non-locking mandrels and are not used for critical structural joints as the mandrels could fall out due to vibration or for other reasons leaving a hollow rivet that would have a significantly lower load carrying capacity than solid rivets.