Thickness of plates is more

Thickness of plates is less

Diameter of rivet is too large

Diameter of rivet is too small

Diameter of rivet is too small

Diameter of rivet is too large

Thickness of plates vary

Pitch of the hole is too small

Pitch of the rivets is too large

Holes of the rivets are drilled too near from the edge of the plate

Pitch of the rivets is too small

Holes for the rivets are drilled too far from the edge of the plate

Diameter of rivet is too large

Holes for rivets are drilled too close

Holes for rivets are drilled too near to the edge of the plates

Holes for rivets are drilled too far from the cutting edge of the plates

Castle nut

Square nut

Check nut

Flanged nut