BS EN ISO 6157-2:2004

This part of ISO 6157 establishes limits for various types of surface discontinuities on nuts.

lt 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.