Standard Steel Blind rivets have a steel rivet and mandrel and large flange diameter. The 3/16” large flange rivet has a .650” OD.
Step Drill Set
Steel Pop Rivet, 5/32″ (.156″)
Steel Pop Rivet, Large Flange, 1/8″ (.125″)
Rivet Nut Installation Tool, 1/4″-20