ISO 8678:1988
Cup head square neck bolts with small head and short neck — Product grade B
Cup head square neck bolts with small head and short neck — Product grade B
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 4
- Дата публикации:
- 16 июня 1988 г.
- Издание:
- ISO IS 8678 edition 1 version 1
- ICS:
- 21.060.10
Specifies the characteristics of products with metric dimensions and thread sizes from M 6 up to and including M 20; tabulates thread sizes M 6 up to M 20 with nominal lengths from 12 mm up to 160 mm and specifications with reference to International Standards; gives an example for the designation.
Abstract
Overview
ISO 8678:1988 covers cup head square neck bolts with small head and short neck, defined as product grade B. The standard specifies metric thread sizes from and tabulates nominal lengths from . It establishes dimensional definitions, tolerance classes and references to related ISO documents to ensure interchangeability, reliable mechanical performance and consistent selection of fasteners.
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