Home Products bolts, nuts, fasteners rivets flat head flat head 3 Available Products SALE FH14 - Flat Head Rivet 1/4" diameter, 13/16" long. ... SH20660 - Flat Head Rivet 1/4" diameter, 1-3/4" long. ... SALE FH516 - Flat Head Rivet 5/16" diameter, 13/16" long. ... 3 Available Products