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DIN 6330 Standard Dimensions for Hexagon nuts with a height ~1,5 d

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This standard DIN 6330 defines sizes and requirements for hexagon nuts for thread connections which are often tightened and removed. The spherical seating, applied with an 120° countersunk or together with conical washers DIN 6319, allows excessive positional inaccuracies to be equalized.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 6330
Publication date: 04/2003 Supersedes DIN 6330 : 08/1991
d thread size P s nom e min

m

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 ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 6 1 10 11.05 9 4
M 8 1.25 13 14.38 12 9
M 10 1.5 16 17.77 15 17
M 12 1.75 18 20.03 18 24
M 16 2 24 26.75 24 57
M 20 2.5 30 33.53 30 107
M 24 3 36 39.98 36 187
M 30 3.5 46 51.28 45 395
M 36 4 55 61.31 54 679
M 42 4.5 65 72.61 63 1140
M 48 5 75 83.91 72 1780

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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