I.S. EN 20225:1992被替代
Fasteners - Bolts, Screws, Studs And Nuts - Symbols And Designations Of Dimensions
出版：National Standards Authority of Ireland
专家解读视频
Lays down the method of dimensioning bolts, screws, studs and nuts, recommended for use unless otherwise specified in the appropriate product standards.
ISO 225:1983 - Identical
UNI EN 20225:1992 - Identical
NF EN 20225:1992 - Identical
NBN EN 20225:1992 - Identical
BS EN 20225:1992 - Identical
DIN EN 20225 (1992-02) - Identical
ONORM EN 20225:1992 - Identical
SS EN 20225 Ed. 1 (1992) - Identical
UNE EN 20225:1992 - Identical
