ISO 8673:2023 PDF

Name: ISO 8673:2023 — Fasteners — Hexagon regular nuts (style 1), with fine pitch thread
SKU: ISO 8673:2023
Price: 25 EUR
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Fasteners — Hexagon regular nuts (style 1), with fine pitch thread

Название (английский):

ISO 8673:2023

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

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 9
Дата публикации:: 31 августа 2023 г.
Издание:: ISO IS 8673 edition 4 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

ISO 8673:2023 specifies requirements for hexagon regular nuts (style 1) with metric fine pitch thread in steel and stainless steel. The standard covers thread sizes 8 mm to 39 mm, and defines product grades A and B, dimensions, tolerances, mechanical requirements, marking and labelling, and designation rules. Nuts larger than 39 mm are addressed informatively in Annex A (historical designs) and are not recommended for new or critical applications.

Key Topics and Technical Requirements

Scope and materials: Applies to steel and stainless-steel hexagon nuts with fine pitch threads (D×P) from 8 mm to 39 mm; product grade selection (A or B) is specified by size.

Dimensions and drawings: Detailed dimensional requirements are given (figures and Tables 1–2). Nuts are normally delivered without washer-face unless specified.

Thread and tolerances: Metric fine pitch threads follow ISO 965-1; standard thread tolerance class 6H is used unless otherwise agreed.

Mechanical properties:

Steel nuts: property classes referenced from ISO 898-2 (e.g., classes allowed for size ranges).
Stainless-steel nuts: grades and property classes referenced from ISO 3506-2 (A2, A4, D4, D6 variants listed for different size ranges).

Product grades: Typical assignment - product grade A for smaller sizes (≤16 mm) and B for larger sizes (>16 mm), per the standard.

Surface condition & coatings: Default as-processed for steel and clean & bright for stainless steel. Electroplated or zinc-flake coatings are covered by ISO 4042 and ISO 10683; other finishes by agreement.

Marking & labelling: On-product marking per ISO 898-2 / ISO 3506-2; package labelling must include reference to ISO 8673, thread size (D×P), property class or stainless grade, finish, manufacturer ID, lot number (ISO 1891-4) and quantity.

Acceptance & inspection: Acceptance inspection guided by ISO 3269; tolerances by ISO 4759-1; surface discontinuities by ISO 6157-2.

Applications and Who Uses ISO 8673

Engineers, fastener manufacturers, procurement specialists, and quality managers specifying or sourcing metric fine-pitch hexagon nuts for mechanical assemblies.

Industries requiring defined mechanical performance, interchangeability and traceability - automotive, machinery, construction equipment, and industrial manufacturing.

Useful for suppliers preparing technical data sheets, purchasers writing procurement specifications, and labs performing acceptance tests.

Related Standards

ISO 898-2 (steel nut property classes)

ISO 3506-2 (stainless-steel nut grades)

ISO 965-1 (metric thread tolerances)

ISO 4759-1 (fastener tolerances)

ISO 3269 (acceptance inspection)

ISO 8991 / ISO 8992 (designation and general requirements)

ISO 4042, ISO 10683 (coatings)

ISO/TR 16224 (nut design guidance)

Keywords: ISO 8673:2023, hexagon regular nuts, fine pitch thread, metric nuts, fasteners standard, product grade A, product grade B, steel stainless steel, thread sizes 8 mm to 39 mm.

ISO 8673:2023 PDF

Abstract

Похожие стандарты

Overview

Key Topics and Technical Requirements

Applications and Who Uses ISO 8673

Related Standards

Технические детали

ISO 965-1:2013/Amd 1:2021

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

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 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.

SIST EN ISO 8673:2023

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

BS EN ISO 1891-4:2018

Fasteners. Vocabulary. Control, inspection, delivery, acceptance and quality.

BS EN ISO 3269:2019

Fasteners. Acceptance inspection.