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BS 4395-1 Standard Dimensions for Hexagon nuts with large widths across flats for high strength structural bolting

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This norm has been cancelled

Hexagon nuts with large widths across flats for high strength structural bolting

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source BS 4395-1Withdrawn
Publication date: 02 - 1969
D thread size P S e min÷max m min÷max
M 12 1.75 22 23.82÷25.40 10.45÷11.55
M 16 2 27 29.30÷31.20 14.45÷15.55
M 20 2.5 32 35.03÷36.90 17.45÷18.55
M 22 2.5 36 39.55÷41.60 18.35÷19.65
M 24 3 41 45.20÷47.30 21.35÷22.65
M 27 3 46 50.85÷53.10 23.35÷24.65
M 30 3.5 50 55.37÷57.70 25.35÷26.65
M 36 4 60 66.44÷69.30 30.20÷31.80

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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