Copper blind rivets. The building products industry utilizes copper blind rivets to fasten roofing materials, decorative structures, architectural and facade assemblies. Oct 25, 2018 ยท Blind rivets in this selection are made with a copper hat and a brass mandrel. The recommended working range or grip range of this rivet is 1/16" to 1/4". Choose from our selection of copper rivets, including domed head blind rivets, solid rivets, and more. Swiss-made, ideal for roofing, metalwork, and site joins. 125), 4-4 Grip Range: (0. MINIMAL CORROSION These rivets are a low-profile professional fastener and are less visible than screws. Choose from our selection of copper Pop rivets, including domed head blind rivets, solid rivets, and more. Blind Rivets are mainly used when access to one side is limited. Made in USA by aDP Rivet.