IS 13723 : 2025/ISO 8674 : 2023 Hexagon High Nuts (Style 2) with Metric Fine Pitch Thread - Product Grades A and B - Specification

Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Third Revision) which is identical to ISO 8674 : 2023 'Fasteners - Hexagon high nuts (style 2), with fine pitch thread' issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendation of General Engineering and Fasteners Standards Sectional Committee and approval of the Production and General Engineering Division Council.

This standard was first published in 1994 and was subsequently revised in 2002 and 2018. This revision has been brought out to align it with ISO 8674 : 2023.

This standard covers the requirements of style 2 hexagon nuts with fine pitch threads. Nuts with fine pitch threads and of style 0 and style 1 are covered separately under IS 13724 : 2025 and IS 13722 : 2025 respectively.