... 16949(including ISO 9001 round nut stainless steel blind rivet nut :Material: carbon steel(C1006A,1008A,1010A),stainless steel (304,316) aluminium(5052, ... plaing, with flat head 2) High crimping force 3) Screw length can be varied 4) Just-in-time manufacturing capability ... 32, 3/16, 1/4,5/16, 3/8MaterialCarbon steel, stainless steel and aluminiumHeadFlat head,small head,countersunk head, flat hexagon ...