... composited with Ag,AgNi,AgCdO,AgSnO2,AgSnO2O3etc.silver alloy on head,composited rivet contact not only retains the advantage of ... relays,contactors,thermostats and timers etc.specifications:1.Head diameter:2mm-10mm2.Head thickness:0.4-2mm3.Silver thickness:0.15solid4.Tail diameter ... :1-4.5mm5.Tail length:0.3-7mm6.Contact ...