Шайбы плоские. Сверхкрупная серия. Класс изделия С
Название (англ.):
Plain washers; Extra large series; Product grade C
Описание (англ.):
Specifies products with large outside diameter, preferable for bolts, screws and nuts in wood constructions, with thread sizes form M 5 up to and including M 36; includes specifications with reference to International Standards; gives an example for the designation