British Standards Document
BS 4186
Specification for clearance holes for metric bolts and screws
https://doi.org/10.3403/00067434U
BS 4186 is maintained by FME/9. The current release of this standard is:
BS 4186:1984 Specification for clearance holes for metric bolts and screws
https://doi.org/10.3403/00067434 (published 30/03/1984)
This standard is available from the following sources:
Other historical versions of this standard document also exist: