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NF EN 27435 Standard Dimensions for

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Slotted set screws with long dog point

The standard (NF EN 27435) specifies the characteristics of slotted set screws with long dog point and thread sizes from M1,6 to M 12 inclusive and product grade A.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source Din 27435
Publication date: 10/1992 - Replaces DIN 417 09/1986
d thread size P d1 max d1 min z min n nom t min.
M 1.6 0.35 0.8 0.55 0.8 0.25 0.56
M 2 0.4 1 0.75 1 0.25 0.64
M 2.5 0.45 1.5 1.25 1.25 0.4 0.72
M 3 0.5 2 1.75 1.5 0.4 0.8
M 3.5 0.6 2.2 1.95 1.75 0.5 0.96
M 4 0.7 2.5 2.25 2 0.6 1.12
M 5 0.8 3.5 3.2 2.5 0.8 1.28
M 6 1 4 3.7 3 1 1.6
M 8 1.25 5.5 5.2 4 1.2 2
M 10 1.5 7 6.64 5 1.6 2.4
M 12 1.75 8.5 8.14 6 2 2.8

Din 27435 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
d thread size M 1.6
M2
M2.5
M3
M3.5
M4
M5
M6

M8
M10

M12
nominal length l
2
2.5 0.025
3 0.03 0.04
4 0.04 0.06 0.08
5 0.06 0.08 0.11 0.17 0.22
6 0.07 0.10 0.14 0.21 0.28 0.34
8 0.09 0.14 0.20 0.29 0.39 0.5 0.76 1.02
10 0.18 0.26 0.38 0.5 0.66 1.01 1.42 2.51
12 0.32 0.47 0.61 0.82 1.26 1.82 3.10 4.35
14 0.56 0.72 0.98 1.51 2.22 3.69 5.35 8.15
16 0.65 0.83 1.14 1.76 2.62 4.28 6.35 9.30
20 1.05 1.46 2.26 3.42 5.46 8.35 11.6
25 2.89 4.42 6.94 10.9 14.5
30 5.42 8.41 13.4 17.4
35 9.89 15.9 20.2
40 11.4 18.4 23.1
45 20.9 26
50 23.4 28.9
55 31.7
60 34.6

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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