British Standards Document
BS 3692
ISO metric precision hexagon bolts, screws and nuts. Specification

https://doi.org/10.3403/30283397U

BS 3692 is maintained by FME/9. The current release of this standard is:

BS 3692:2014 ISO metric precision hexagon bolts, screws and nuts. Specification

https://doi.org/10.3403/30283397 (published 31/10/2014)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS 3692:2001 [current until 31/10/2014]
BS 3692:1967 [current until 15/02/2001]