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UNI 6753 Standard Dimensions for Sockets screws keys, screwdrivers

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Technical History and International Equivalents of UNI 6753

This norm has been cancelled
This norm has been replaced by UNI ISO 2936

Hexagon wrench keys for hexagon socket screws

Dimensional Drawing and Technical Diagrams

1887_IcIaxu_911.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source UNI 6753Withdrawn
Publication date: 03/1984
S L 1 L 2
nom tolerance nom tolerance nom tolerance
2 0 ÷ -0.04 50 0 ÷ -2 16 0 ÷ -1
2.5 0 ÷ -0.04 56 0 ÷ -3 18 0 ÷ -1
3 0 ÷ -0.04 63 0 ÷ -3 20 0 ÷ -2
4 0 ÷ -0.04 70 0 ÷ -4 25 0 ÷ -2
5 0 ÷ -0.04 80 0 ÷ -4 28 0 ÷ -2
6 0 ÷ -0.04 90 0 ÷ -4 32 0 ÷ -2
7 0 ÷ -0.06 98 0 ÷ -5 34 0 ÷ -2
8 0 ÷ -0.06 100 0 ÷ -5 36 0 ÷ -2
9 0 ÷ -0.06 112 0 ÷ -6 38 0 ÷ -2
10 0 ÷ -0.06 112 0 ÷ -6 40 0 ÷ -2
12 0 ÷ -0.11 125 0 ÷ -6 45 0 ÷ -2
14 0 ÷ -0.11 140 0 ÷ -7 55 0 ÷ -3
17 0 ÷ -0.11 160 0 ÷ -8 63 0 ÷ -3
19 0 ÷ -0.13 180 0 ÷ -9 70 0 ÷ -3

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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