... , relay, breaker, thermostat, mid/low voltage switch silver rivet A: Face material: Solid or bimetal Ag,AgNi,AgCdO,AgSnO2 ... .15mm-solidD: Normal: 0.6-4.0mm Contact type: rivet/button. According to customers engineer drawingNormal: silver/Gold.Other: according ... to customers requirementCertificate: SGS, ISO9001-2000Silver rivet and Ag/Cu bimetal rivet:Pure silver has a high level of electrical ...