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DIN 34820 Standard Dimensions for Plain washers, chamfered, for steel structures

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This standard specifies the characteristics of plain washers, chamfered, for steel structures, with hardness grade 300HV and nominal size (nominal thread diameter) from 12 mm to 36 mm.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 34820

Publication date: 2004Withdrawn
Thread size d1 nom=min d2 nom=max h nom ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 12 13 24 2.5 6.27
M 16 17 30 3 11.3
M 20 21 37 3 17.2
M 22 23 39 3 18.3
M 24 25 44 4 32.3
M 27 28 50 4 42.3
M 30 31 56 4 53.6
M 36 37 66 5 92.1

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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