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Shear cracks
Cracks which do not overlap (top) are permissible.
Indentations
Permissible indentation depth is 1/4 x rivet head height.
Rings
Rings in the closing head occur if the tool insert used (from riveting
set) was too small.
Permissible ring depth is 1/4 x closing head height.
Formation of a ring around the entire circumference is not per‐
missible.
Offset closing head
Offset closing heads are not permissible if closing head makes
contact with shank circle and rivet hole is visible.
7.2.4 Kerb-Konus rivets
Coated stainless steel Kerb-Konus rivets are used.
Note
Stainless steel rivets must not be drilled out or ground down due
to the risk of corrosion.
General InformationBody Repairs, General Body Repairs - Edition 04.2018
36 7. Cold joining techniques
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