British Standards Document
BS 1580-1
Unified screw threads. Screw threads with diameters ¼ in and larger. Requirements

https://doi.org/10.3403/30158491U

BS 1580-1 is maintained by FME/9. The current release of this standard is:

BS 1580-1:2007 Unified screw threads. Screw threads with diameters ¼ in and larger. Requirements

https://doi.org/10.3403/30158491 (published 31/12/2007)

This standard is available from the following sources:

Other historical versions of this standard document also exist: