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ISO 8677 Standard Dimensions for Cup head square neck bolts

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This norm has been cancelled

Cup head square neck bolts with large head — Product grade C

Specifies the characteristics of products with metric dimensions and thread sizes form M 5 up to and including M 20; with nominal lengths from 20 mm up to200 mm and specifications with reference to International Standards; gives an example for the designation

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source ISO 8677Withdrawn

Publication date: 11-1986
d thread size Pitch b dk nom=max f min f max k v min v max
l≤125 l>125≤200 l>200 min max
M 5 0.8 16 - - 13 2.9 4.10 2.5 3.1 4.52 5.48
M 6 1 18 - - 16 3.4 4.60 3 3.6 5.52 6.48
M 8 1.25 22 28 - 20 4.4 5.60 4 4.8 7.42 8.58
M 10 1.5 26 32 - 24 5.4 6.60 5 5.8 9.42 10.58
M 12 1.75 30 36 - 30 7.25 8.80 6 6.8 11.3 12.70
M 16 2 38 44 57 38 11.1 12.90 8 8.9 15.3 16.70
M 20 2.5 46 52 65 46 14.1 15.90 10 10.9 19.16 20.84

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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