ISO 272 : 1982(R2018)现行
FASTENERS - HEXAGON PRODUCTS - WIDTHS ACROSS FLATS
出版：International Organization for Standardization
专家解读视频
This International Standard specifies widths across flats for hexagon products, for example hexagon head bolts and screws, hexagon nuts and hexagon flanged bolts, screws and nuts, to be used in the respective product standards.
NS 5740 : 1ED 1984 - Identical
NFE 25 016 : 2015 - Similar to
NS 1830 : 1968 - Similar to
BS 4929-1(1973) : 1973 - Identical
NBN E 27 021 : 1987 - Identical
SANS 1700-3-2 : 1ED 1996(R2014) - Identical
DS ISO 272 : 1980 - Identical
UNE 17052 : 1978 - Identical
DIN ISO 272 : 1979-10 - Identical
