Language
NF E 25-161 - 1992 (R2002)
BS 2470 - 1973
NF E 25-172 - 2004
AS /NZS 1421 - 1996
CNS 4423 - 1981
CNS 4477 - 1981
CNS 4481 - 1981
KS B 1028 (T2) - 1990 (R2020)
ASME/ANSI B 18.6.2 - 1998 (R2010)
UNI 5927
JIS B 1118 - 2010
JIS B 1177 - 1997
JIS B 1117 (T2) - 1995
JIS B 1177 - 1988