BS EN ISO 6157-2:2004

1   Scope This part of ISO 6157 establishes limits for various types of surface discontinuities on nuts. It applies to nuts with

– nominal thread diameters from 5 mm up to and including 39 mm;

– product grades A and B;

– all property classes according to ISO 898-2 and ISO 898-6, unless otherwise specified in product standards or agreed between supplier and purchaser.