Pop rivets are designed to be installed from one side. Which option best expresses this?

• A. Yes
• B. No
• C. Only with backing
• D. Not recommended

Answer: (A)

Pop rivets are designed for one-sided installation because the riveting action happens from the accessible face. The rivet body passes through a hole in both pieces, and as the mandrel is pulled by the tool, the body expands on the far side, forming a clinched, formed head behind the work while the mandrel breaks off. This lets you fasten parts when you can only reach one side. A backing, while sometimes helpful to prevent pull-through in soft materials, isn't a requirement for installing blind rivets, and saying it’s not recommended would be incorrect. The correct expression is that they can be installed from one side.