SAE flat washers are machined to a tighter specification and have a smaller outside diameter. Flat Washer, Fits Bolt Size 5/8 in ,Steel Black Chrome Finish, 4 PK.USS flat washers have a large, wider body.
Solid rivets consist simply of a shaft and head which are deformed with a hammer or rivet gun.. A typical application for solid rivets can be found within the structural parts of aircraft.
The use of a rivet compression or crimping tool can also be used to deform these type of rivets; this tool is mainly used on rivets closer to the edge since it is limited by its depth of frame.