Two piece mate rivets made in USA 
Two piece mate rivets made by this US manufacturer. aDP’s “Rivet-Mates” are two piece mate rivets designed for clamping materials from 5/8″ to 2″ thick. Also referred to as compression rivets, Cherrymate rivets, and tamper proof rivets. These two piece mate rivets offer a finished, tamper resistant clamp on both sides of the application. The tamper resistant feature is commonly used to fasten Highway and municipal signs since you can’t un-thread these. Two piece mate rivets are also used to fasten lockers, mail boxes, plastics, PVC pipe, trailer walls, RV walls and many consumer and industrial products where a tamper resistant, non-maring fastener is needed.
Two piece mate rivets are the popular fastener for Livestock pens, trailers and small pet carriers as they provide a smooth finish on both sides of the application, unlike other rivets, bolts & nuts which may leave sharp edges which can be harmful. Two piece mate rivets are used for flooring and/or floor mats and heated floor mats as they hold the thick mats to the heating base without damaging the heating coils.
These two piece fasteners are made in USA by aDP Rivet who makes 100% of their two piece mate rivets at it’s facility in New England. These two piece mate rivets are available in two diameters: 3/16″ and 1/4″. They are very user friendly and do not require exact application hole sizes. In fact, these two piece mate rivets will function in oval or worn out holes of different sizes. Designed to sandwich the application together, like two slices of bread. These two piece mate rivets provide controlled clamping within their specific grip or working range. As the photo shows, painted, colored two piece mate rivets are possible when ordering from this manufacturer. Because aDP Rivet manufacturers it’s two piece mate rivets in house, special finishing is easily accomplished. 
Two piece mate rivets are also found holding plastic fencing together as they provide controlled clamping, can be painted or anodized for esthetics and durability. Two piece mate rivets are also used for fastening hinges because of their tamper resistant, solid head finish.
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