... , etc 5Type: Solid rivet, Bimetal rivet, Button rivet, Tri-metal rivet, etc. Characteristic: 1. Silver rivet and Ag/Cu bimetal ... has one of the most important materials in silver - metal oxide contact material. 6. AgZnO rivet and AgZnO/Cu ... sets for making Contact Rivet include Tri-metal rivet machine from Germany, Bi-compounded rivet machine, Colored Microscope, 3D coordinator Apparatus, Hardness ...