ISO/FDIS 898-2 Mechanical properties of fasteners made of carbon steel and alloy steel – Part 2 Nuts with specified property classes – Coarse thread and fine pitch thread.
The final draft of what will become the new ISO 898-2 has been circulated by ISO and has been approved by the BSI Fastener Standards Committee FME/9. This is the basic mechanical property standard for nuts with metric threads, and there are some significant changes from the previous issue.
The most obvious change is that it replaces two existing standards. BS EN 20898-2:1994, ISO898-2:1992 which covers nuts with coarse metric threads is now combined with BS EN ISO 898-6:1996 for metric nuts with fine pitch thread, and both are updated into the same format. (…)
