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Dimensions in mm - DIN EN 16983

Publication date: 09/2017

The DIN EN 16983 specification classifies disc springs into 3 groups:

GROUP 1: under 1.25 mm thick (cold formed,radiused edges, iwthout bearing flats)

GROUP 2: 1.25 mm thickup to and including 6mm (cold formed,machined,radiused edges, iwthout bearing flats)

GROUP 3: above 6mm thick (fully machined from forged blanks, with bearing flats and thickness reduced)

Type d2 max=nom size (h12) d1 min= nom size (H12) t thickness t1 h1 cone height h overall height group
- 6 3.2 0.3 - 0.15 0.45 -
C 8 4.2 0.2 - 0.25 0.45
B 8 4.2 0.3 - 0.25 0.55 1
A 8 4.2 0.4 - 0.2 0.6 1
C 10 5.2 0.25 - 0.3 0.55 1
B 10 5.2 0.4 - 0.3 0.7 1
A 10 5.2 0.5 - 0.25 0.75 1
C 12.5 6.2 0.35 - 0.45 0.8 1
B 12.5 6.2 0.5 - 0.35 0.85 1
A 12.5 6.2 0.7 - 0.3 1 1
C 14 7.2 0.35 - 0.45 0.8 1
B 14 7.2 0.5 - 0.4 0.9 1
A 14 7.2 0.8 - 0.3 1.1 1
C 16 8.2 0.4 - 0.55 0.9 1
B 16 8.2 0.6 - 0.45 1.05 1
A 16 8.2 0.9 - 0.45 1.25 1
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