ISO 8765:2022 PDF

Name: ISO 8765:2022 — Fasteners — Hexagon head bolts, with fine pitch thread — Product grades A and B
SKU: ISO 8765:2022
Price: 25 EUR
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Fasteners — Hexagon head bolts, with fine pitch thread — Product grades A and B

Название (английский):

ISO 8765:2022

Fasteners — Hexagon head bolts, with fine pitch thread — Product grades A and B

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 28 июня 2022 г.
Издание:: ISO IS 8765 edition 4 version 1
ICS:: 21.060.10

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Описание (английский):

This document specifies the characteristics of hexagon head bolts, in steel and stainless steel, with metric fine pitch threads M8×1 to M64×4, and with product grades A and B. If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-1 or ISO 3506-1, and dimensional options from ISO 888 or ISO 4753.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview - ISO 8765:2022 (Hexagon head bolts, fine pitch thread)

ISO 8765:2022 specifies the characteristics of hexagon head bolts with metric fine pitch threads in steel and stainless steel, covering thread sizes M8×1 to M64×4 and product grades A and B. The standard defines dimensional data, permissible shapes, lengths, marking and labelling, and designation rules. It is the fourth edition (2022) and replaces the 2011 edition with reorganized tables, added sizes (e.g., M18×2), and extended marking/length rules.

Key topics and technical requirements

Dimensions and profiles: Dimensional requirements are given graphically (Figures 1–2) and numerically in Tables 1–5; Annex A provides grade B dimensions for 8–14 mm. Symbols and dimension descriptions follow ISO 225.

Thread range and lengths: Specifies metric fine pitch threads M8×1 to M64×4, rules for shortest/greatest standard lengths and incomplete thread allowances.

Materials and product grades: Applies to steel and stainless steel bolts in product grades A and B; property classes and stainless grades may be chosen per ISO 898‑1 or ISO 3506‑1 when alternate mechanical requirements are needed.

Marking and labelling: Clause 6 details mandatory product marking (head marks) and package labelling for traceability and identification.

Tolerance and acceptance: References tolerances and surface discontinuity/inspection standards (e.g., ISO 4759‑1, ISO 6157, ISO 3269) to define acceptance criteria and quality control practices.

Designation and reference standards: Clause 7 covers designation; normative references include ISO 262, ISO 888 (lengths), ISO 4753 (chamfer/ends), ISO 965‑1 (thread tolerances), and others.

Applications - who uses ISO 8765 and why

Fastener manufacturers use the standard to produce hexagon head bolts with repeatable dimensions, head geometry, and correct fine-pitch threads for interchangeability.

Design and mechanical engineers reference ISO 8765 when specifying bolts for machinery, heavy equipment, industrial assemblies, and other applications requiring fine-pitch threads.

Purchasing and quality assurance teams use the standard to verify supplied bolts meet required grades, markings, and dimensional tolerances.

Maintenance and repair technicians rely on standardized sizes and markings to replace fasteners safely and reliably.

Overall practical benefits: consistent fit and function, simplified procurement, traceability via marking, and clear cross-references to mechanical property standards.

Related standards (useful references)

ISO 898‑1 - mechanical properties of carbon/alloy steel fasteners

ISO 3506‑1 - mechanical properties of stainless steel fasteners

ISO 888 - nominal/standard lengths and thread lengths

ISO 4753 - chamfered ends and incomplete threads

ISO 225, ISO 262, ISO 965‑1, ISO 4759‑1, ISO 3269 - for thread symbols, pitches, tolerances and acceptance criteria

Keywords: ISO 8765:2022, hexagon head bolts, fine pitch thread, M8×1 to M64×4, product grade A, product grade B, bolt dimensions, marking and labelling, fastener standards.

ISO 8765:2022 PDF

Abstract

Похожие стандарты

Overview - ISO 8765:2022 (Hexagon head bolts, fine pitch thread)

Key topics and technical requirements

Applications - who uses ISO 8765 and why

Related standards (useful references)

Технические детали

BS EN ISO 22569:2020

Dentistry. Multifunction handpieces.

SIST EN ISO 898-1:2013/AC:2014

Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs wit…

SIST EN ISO 3506-1:2020

Fasteners - Mechanical properties of corrosion-resistant stainless steel fasteners - Part 1: Bolts, screws an…

SIST EN ISO 4759-1:2002

Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts - Product grades A, B and C (ISO 4759-1:2000)

SIST EN ISO 6157-2:2004

Fasteners - Surface discontinuities - Part 2: Nuts (ISO 6157-2:1995)

BS EN ISO 3269:2019

Fasteners. Acceptance inspection.

BS EN ISO 26203-1:2025

Metallic materials — Tensile testing at high strain rates. Elastic-bar-type systems.

SIST EN ISO 888:2018

Fasteners - Bolts, screws and studs - Nominal lengths and thread lengths (ISO 888:2012)