Language
GB 14 - 1976
JIS B 1171 (Attached Table 2) - 1996
BS 325 - 1947
GB /T 794 (B) - 2021
GB /T 801 - 1998
GB /T 794 (A) - 2021
GB /T 794 - 1988
GB /T 794 - 1993
JIS B 1171 - 2005
JIS B 1171 (Attached Table 1) - 1996
BS 4933 - 1973
GB /T 14 - 1988
NF E 27-351 - 1969
GB /T 801 - 2021
AS /NZS 1390 - 1997 (R2016)
CNS 4424 - 1981
CNS 4425 - 1981
CNS 4574 - 1981
GOST 7802 - 1981
ASME/ANSI B 18.5.2.2M - 2005