DIN 934 vs ISO 4032 specification standard

Date:Jun 06, 2019

DIN 934 is Hexagon nuts with metric coarse and fine pitch thread Product classes A and B

ISO 4032 is Hexagon regular nuts (style 1) — Product grades A and B


DIN 934 and ISO 4032 is the same and interchangeable.  

DIN 934 standard specifies requirements for M 1 to M 160 hexagon nuts, assigned to product grade A (up to size M 16) or product grade B (for sizes above M 16). If, in special cases, nuts are to comply with specifications other than those given in this standard, e.g. regarding property class, they shall be selected in accordance with the relevant standards.

ISO 4032 International Standard 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.

If, 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.

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

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