... 8... Rivet,blind rivet,rivet nut 1.What’s the specification of our Products ? MaterialCarbon steel,Stainless steel,Alloy steel ... are 35k,45#,10B21,1035,CH38F,1039,40ACR...Alloy steel are 35,40CrMo,SCM435,10B38...Stainless ... head,Hex flange head,Round head,Ball head,Button head...Socket typePhillip type,Pozi type,Eleven ... 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench and so on .2 ...