25 |
|
gb /t 6170 - 2015
hexagon nuts,style 1
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26 |
|
gb /t 6170 - 2000
hexagon nuts,type 1
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|
27 |
|
gb /t 6175 - 2016
hexagon nuts,style 2
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28 |
|
hg /t 20634 - 2009
hexagon nuts for steel pipe with flange
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29 |
|
sh /t 3404 (nut) - 2013
petrochemical hex nut
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|
30 |
|
gb 52 - 1976
hexagon nuts
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|
31 |
|
din 6915 - 1999
high-strength hexagon nuts with large widths across flats for structural steel bolting
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|
32 |
|
din 6915 - 1989
high-strength hexagon nuts with large widths across flats for structural steel bolting
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|
33 |
|
uni 5587 - 1968
thick hexagon nuts (special purpose) - iso metric coarse and fine thread - finish a
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