IS 4218 : Part 1 : 2025/ISO 68-1 : 2023 ISO General Purpose Metric Screw Threads - Part 1 Basic and Design Profile

Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 1) (Third Revision) which is identical to ISO 68-1 : 2023 'ISO general purpose screw threads - Basic and design profiles - Part 1: Metric screw threads' 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 1967 and was subsequently revised in 1976 and 2001. This revision has been brought out to align it with ISO 68-1 : 2023.