... 3.Grade:4.8 ,6.8,8........ Solid rivet,flat head rivets ,solid rivets 1.What’s the specification of our ... steel is SS201,202,302,304,316...copper is shiny brass , pure copper,such as H62,H65,H68...Aluminum is ... ","BSW"thread are available.Head typeHexagon head,Mushroom head,Pan head,Countersunk head,Bugle head,Oval head,Hex flange head,Round head,Ball head,Button head...Socket typePhillip type,Pozi ...