... steel mandrel, closed end Alumium Blind RivetsType:blind Rivets Nail,decorative nail Material:steel,Aluminum,stainless steel Dia ... rivet; closed end blind rivet; round rivets (semi-circular, oblate head, large flat head); solid rivets, rivet-empty heart, hollow nails, ... 3) Consistent with the requirements of environmental protection.4) Rivets nails are widely used in stationery, clip (stationery folder ...