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DIN 7344 Standard Dimensions for Spring-type straight pins. Coiled, heavy duty

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Technical History and International Equivalents of DIN 7344

This norm has been cancelled
This norm has been replaced by DIN EN ISO 8748

Spring-type straight pins. Coiled, heavy duty

Dimensional Drawing and Technical Diagrams

1837_3801.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 7344 Withdrawn

Publication date: 04 - 1969
d nom diameter
 Ø1.5 Ø2 Ø2.5 Ø3 Ø4 Ø5 Ø6
d min 1.61 2.11 2.62 3.12 4.15 5.15 6.18
d max 1.71 2.21 2.73 3.25 4.3 5.35 6.4
d1 mx 1.4 1.9 2.35 2.85 3.8 4.8 5.8
d1 min 1.3 1.75 2.2 2.7 3.6 4.5 5.4
a ≈ 0.5 0.7 0.8 1 1.3 1.7 2
s 0.17 0.22 0.28 0.33 0.45 0.56 0.67
Minimum shear strength, single (kp) 91 157 237 343 614 946 1350
Minimum Double Shear (kp) 182 314 474 686 1228 1892 2700

DIN 7344 - Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm3)
d nominal size
 1.5
2
2.5
3
4
5
6
nominal length l
4 0.043
5 0.053
6 0.064 0.11 0.17
8 0.085 0.15 0.23 0.33
10 0.107 0.19 0.29 0.41 0.74
12 0.128 0.23 0.34 0.5 0.89 1.37
14 0.15 0.27 0.4 0.58 1.04 1.6 2.35
16 0.171 0.30 0.46 0.66 1.19 1.83 2.69
18 0.34 0.51 0.75 1.33 2.06 3.03
20 0.38 0.57 0.83 1.48 2.28 3.36
22 0.63 0.91 1.63 2.51 3.7
24 0.69 0.99 1.78 2.74 4.04
26 1.08 1.93 2.97 4.37
28 1.16 2.08 3.2 4.7
30 1.24 2.22 3.43 5.04
32 1.32 2.37 3.66 5.37
36 2.67 4.11 6.05
40 2.96 4.57 6.72
45 5.14 7.56
50 5.71 8.41

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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