Special parts

Special parts are screws and other threaded and component
parts that have to be produced according to drawings,
samples or individual designation of the client.
Meanwhile special parts are also more and more
standard parts that are especially in the qualitative
specification high above the normative requirements.

Standard parts

Standard parts are machanical fasteners that geometric and
technical requirements are characterised by national (DIN, BS,
ASTM and other), european (EN) or international (ISO) standards
even if the actual needed dimension is out of the range that is
defined by the mentioned standards. The same it is for differing materials,
accuracy classes, surfaces or other specifications.