Source Flat Head Copper Rivets Solid Brass Rivet 1.5mm Diameter 3mm-8mm Length on m.alibaba.com
M3 x 3mm Truss Head Semi Tubular Rivet,Staniless Steel,Pack 100-piece: Amazon.com: Industrial & Scientific
Pop Rivet A2 Stainless Steel Countersunk Head Blind Rivets 3mm,3.2mm,4mm,5mm,6mm | eBay
Rivet, twist-in, antique silver-plated brass, 12x6mm with 12mm flat round and 3mm shank. Sold per pkg of (4) 2-piece sets. - Fire Mountain Gems and Beads