Tiny clip together snap rivets for use as a swatch fastener, binding method, or a popular for cardboard wheel calculators / info discs / colour wheels.
The head diameter is 10mm and the capacity is 1.5mm. Hole size is 5mm.
Brass Binding Screws
Nickel Binding Screws
Hinged Rings - Nickel Binding Rings
Plastic Binding Screws