Standard
[CURRENT]
2016-11
DIN 475-1:2016-11
Widths across flats for bolts, screws, valves and fittings
The widths of flats in accordance with this standard apply to all 2-flats, squares, hexagons and octagons, even if they are not moved by wrenches. DIN 79 applies to squares and square holes for ...
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