800pcs) DIN 661 M5X10 Countersunk Head Rivets A2 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP066125-10: Amazon.com: Industrial & Scientific
POP Rivet Countersunk 304 Stainless Steel - 4-2C 1/8" x 1/8" Gap (0.062-0.125) Qty-100: Amazon.com: Industrial & Scientific
Military Standard MS20427M5-10 Monel Countersunk Head Rivet, Solid - 231 Ea / 1 lb Bag at SkyGeek.com
Countersunk Head 90° (I.F.I.Standard) – Industrial Rivet & Fastener Company
ZoroSelect Solid Rivet, Countersunk Head, 0.125 in Dia., 0.25 in L, Brass Body, 100 PK - Walmart.com