margin
pitch
back pitch
diagonal pitch
thickness of plates to be joined
overall length
shank diameter
diameter of head
free from corrosion
stronger in tension
free from stresses
leak-proof
tearing of the plate at an edge
tearing of the plate across a row of rivets
shearing of rivets
any one of these
always in single shear
always in double shear
either in single shear or double shear
none of these
