EN ISO 8673:2023 PDF

Name: EN ISO 8673:2023 — Fasteners - Hexagon regular nuts (style 1), with fine pitch thread (ISO 8673:2023)
SKU: EN ISO 8673:2023
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Fasteners - Hexagon regular nuts (style 1), with fine pitch thread (ISO 8673:2023)

Название (английский):

EN ISO 8673:2023

Fasteners - Hexagon regular nuts (style 1), with fine pitch thread (ISO 8673:2023)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 6 сентября 2023 г.
Издание:: CEN EN 8673 edition 2 version 1
ICS:: 21.060.20

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Описание (английский):

This document specifies the characteristics of hexagon regular nuts (style 1), in steel and stainless steel, with metric fine pitch thread 8 mm to 39 mm, and with product grades A and B. NOTE For nuts with sizes D > 39 mm, see Annex A. If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO 3506-2.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 8673:2023 (ISO 8673:2023) is the CEN-adopted international standard for hexagon regular nuts (style 1) with metric fine pitch thread. It specifies the characteristics, dimensions and requirements for steel and stainless‑steel hex nuts with fine pitch threads from 8 mm to 39 mm, covering product grades A and B. Nuts larger than 39 mm are addressed informatively in Annex A. The standard is intended for manufacturers, purchasers and quality/engineering teams working with fasteners.

Key topics and technical requirements

Scope and sizes: Dimensions and tolerances for metric fine‑pitch nuts M8 to M39 (8 mm–39 mm). Annex A covers historical nuts D > 39 mm.

Materials & mechanical properties:

Steel nuts: mechanical properties and heat‑treatment (quenching/tempering where applicable) referenced to ISO 898‑2. Product grade assignment: typically grade A for D ≤ 16 mm and grade B for D > 16 mm (as specified).
Stainless steel nuts: grades and property classes referenced to ISO 3506‑2 (common symbols A2, A4 and grades D4/D6 also referenced).

Threads & tolerances: Metric fine pitch thread tolerance position 6H and thread form per ISO 965‑1.

Dimensions & styling: Figures and tables define parameters (with and without washer‑face) and dimensional symbols per ISO 225.

Surface condition & coatings: Acceptance of uncoated, electroplated coatings (ISO 4042) or zinc‑flake systems (ISO 10683); other finishes by agreement.

Inspection & quality: Acceptance inspection and lot identification per ISO 3269 and ISO 1891‑4; surface discontinuities per ISO 6157‑2.

Marking & labelling: Product marking follows ISO 898‑2 (steel) or ISO 3506‑2 (stainless steel); package labelling must include reference to ISO 8673, size D×P, material/grade, coating, lot number and quantity.

Applications and users

Who uses it: fastener manufacturers, OEMs, procurement specialists, mechanical design engineers, quality assurance and maintenance teams.

Typical applications: machine assembly, industrial equipment, automotive subassemblies, construction fixings and any application requiring standardized hexagon nuts with fine pitch metric threads where controlled dimensions, mechanical properties and traceability are required.

Related standards

EN ISO 8673:2023 provides the definitive dimensional, material and marking framework for standardized hexagon regular nuts (style 1) with fine pitch threads, enabling consistent manufacturing, procurement and quality control across industries.

EN ISO 8673:2023 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

ISO 8673:2023

Fasteners — Hexagon regular nuts (style 1), with fine pitch thread

ISO 898-2:2022

Fasteners — Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with speci…

SIST EN ISO 3506-2:2020

Fasteners - Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts with specif…

ISO 965-1:2013/Amd 1:2021

ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data — Amendment 1

BS EN ISO 22569:2020

Dentistry. Multifunction handpieces.

ISO 404:2013/Amd 1:2022

Steel and steel products — General technical delivery requirements — Amendment 1

BS EN ISO 10683:2018

Fasteners. Non-electrolytically applied zinc flake coating systems.

BS EN ISO 3269:2019

Fasteners. Acceptance inspection.