Standard Steel Blind rivets have a steel rivet and mandrel, available in a standard diameter domed head.
Aluminum Pop Rivet, Large Flange, 3/16″ (.1875″)
Stainless Steel Lanyard, 8” Nylon coated
Dzus Fastener, S Spring (1″ hole centers)
Stainless Steel Lanyard, 6” Nylon coated