British Standards Document
BS ISO 68-1
ISO general purpose screw threads. Basic and design profiles. Metric screw threads

https://doi.org/10.3403/30456686U

BS ISO 68-1 is maintained by FME/9. The current release of this standard is:

BS ISO 68-1:2023 ISO general purpose screw threads. Basic and design profiles. Metric screw threads

https://doi.org/10.3403/30456686 (published 09/10/2023)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS ISO 68-1:1998+A1:2020 [current until 09/10/2023]
BS ISO 68-1:1998 [current until 13/02/2020]