BS EN ISO 4032:2012 pdf download.Hexagon regular nuts (style 1) – Product grades A and B.
BS EN ISO 4032 specifies the characteristics of hexagon regular nuts (style 1), with threads from M1,6 up to and including M64, with product grade A for threads D  M16 and product grade B for threads D> M16.
It, in special cases, specifications other than those listed in this International Standard are required, they can be selected from existing International Standards, for example ISO 724, ISO 898-2, ISO 965-1, ISO 3506-2 and ISO 4759-1.
NOTE For hexagon high nuts (style 2), see ISO 4033.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable to its application. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 225, Fasteners — Bolts, screws, studs and nuts — Symbols and descriptions of dimensions ISO 724, ISO general-purpose metric screw threads — Basic dimensions
ISO 898-2, Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread
ISO 965-1, ISO general-purpose metric screw threads — Tolerances — Part 1: Principles and basic data
ISO 3269, Fasteners — Acceptance inspection
ISO 3506-2, Mechanical properties of corrosion-resistant stainless steel fasteners — Part 2: Nuts
ISO 4042, Fasteners — Electroplated coatings
ISO 4759-1, Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C
ISO 6157-2, Fasteners — Surface discontinuities — Part 2: Nuts
ISO 8839, Mechanical properties of fasteners — Bolts, screws, studs and nuts made of non-ferrous metals
ISO 8992, Fasteners — General requirements for bolts, screws, studs and nuts
ISO 10683, Fasteners — Non-electrolytically applied zinc flake coatings
ISO 10684, Fasteners — Hot dip galvanized coatings
3 Dimensions
See Figure 1 and Tables 1 and 2. Symbols and descriptions of dimensions are specified in ISO 225.BS EN ISO 4032 pdf download.