200 Pcs 5/64" x 1/8" Round Head Copper Solid Rivets Fasteners These are copper(not copper plated base metal) solid rivets. Strength after cold-heading, corrosion resistance, and antimicrobial properties. Strength after cold-heading, corrosion resistance, and antimicrobial properties. Our copper products are ideal fasteners for your requirements for their best strength. Copper Solid Rivets are a good choice for electrical properties and corrosion resistance.