Language
ASME B 18.2.6 - 2006
DIN 436 - 1990
JIS B 1256 (SQ) - 2008
JIS B 1256 (SQ) - 1978
BS 3410 (-11) - 1961
BS 4395-1 - 1969
CNS 155 - 1994
KS B 1326 (T10) - 2021
KS 1326 (T4) - 2009
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