The document specifies the basic profile for ISO general purpose metric screw threads.
DIN ISO 68-1:1999 history
2023DIN ISO 68-1:2023-04 ISO general purpose screw threads - Basic and design profiles - Part 1: Metric screw threads (ISO/DIS 68-1:2023); Text in German and English / Note: Date of issue 2023-03-24*Intended as replacement for DIN ISO 68-1 (2022-11).
2023DIN ISO 68-1:2023 ISO general purpose screw threads - Basic and design profiles - Part 1: Metric screw threads (ISO/DIS 68-1:2023); Text in German and English
2022DIN ISO 68-1:2022-11 ISO general purpose screw threads - Basic profile - Part 1: Metric screw threads (ISO 68-1:1998 + Amd.1:2020)
2020DIN ISO 68-1/A1 E:2020 Draft Document - ISO general purpose metric screw threads - Basic profile - Part 1: Metric screw threads (ISO 68-1:1998+Amd.1:2020); Text in German and English
1999DIN ISO 68-1:1999 ISO general purpose metric screw threads - Basic profil - Part 1: Metric screw threads (ISO 68-1:1998)