We are offering Rivets are typically manufactured with either Oval, Flat, Flat Countersunk or Special Purpose heads. Oval Head rivets are the most common type of rivets, with a wide variety of fastening applications. Flat Head shoulder rivets are often used when the pieces joined by the rivet are free to rotate. Countersunk Head rivets are used when the rivet head must be flush with the pieces that it fastens. Rivets Head Styles Semi Tubular Rivets Solid Rivets Tubular Rivets Finishes Black Oxide / Brass / Nickel / Tin / Zinc Clear / Zinc Black