Review on Amjoy Mandrel Accessories Compatible Riveters Tools & Equipment by Derek Jha

Summary: Rivet nuts are really useful in two ways: 1) you can't get to the back to install and/or tighten/loosen the nut, 2) You want to cut material that is too thin for a straight cut. Use them with the Amjoy Rivet Tool below. Observation: This is a mandrel for an M12 rivet nut (metric 12 mm). Pros: Contains multiple starting rivets; good fit and finish; Comes in a reusable color coded storage box. Disadvantages: none. Verdict: $10, 5 stars. Related items: Amjoy Rivet Tool, 16" long handles, $40.