The above are just suggestions. There is flexibility in sizes for each application. Generally speaking, use longer rivets for thicker material and shorter rivets for thinner.
Approximate rivet measurements:
Cap diameter: 6mm (Small)
Stem Length: 6mm
Stem Diameter: 2.4mm
Cap diameter: 8mm, 9mm (Medium)
Stem Length: 6-8mm
Stem Diameter: 2.6mm
Cap diameter: 10mm (Large)
Stem Length: 8-10mm
Stem Diameter: 2.8mm
$5.49
6mm EXTRA LONG (6mm cap width x 12mm stem height). These are longer than any other rivet we currently carry and would be good for extra thick materials.
OK - there is zero wrong with these rivets BUT I was not paying attention and they are too small for my projects. I am bummed that the larger rivets don’t come with the longer posts. I would love to see a 9mm or 10mm rivet with the longer posts. Maybe I will find a use for these little guys.