... capable 3.Grade:4.8 ,6.8,8.8... Rivet,blind rivet,rivet nut 1.What’s the specification of our Products ? ... ","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 ... more than 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench and so on .2.Our company ...