Standard Steel Blind rivets have a steel rivet and mandrel and large flange diameter. The 1/8” large flange rivet has a .390” OD.
Step Drill Set
Closed End Blind Rivet, 3/16″ (.1875″ OD)
Steel Pop Rivet, 3/16″ (.1875″)
Rivet Nut Installation Tool, 1/4″-20