Rivet is a t-shaped object, end cap: in a riveting, using its own strain or interference connection riveted parts. Many kinds of rivets, and informal.
Commonly used r-type rivet, fan rivets, blind rivets (drive rivets), tree-shaped rivets, head, flat head, semi-tubular rivets, solid rivets, blind rivets, blind rivets, tubular rivets, which is using its own deformation of the connection is usually riveted. Generally smaller than 8 mm with cold rivets, is greater than the size of the hot rivet. But there are exceptions, such as some locks on the nameplate, is the use of rivets with lock hole surplus riveting.