Technical History and International Equivalents of DIN EN ISO 7091

Equivalent standards: UNI EN ISO 7091 ISO 7091 BS EN ISO 7091

Plain washers normal series product grade C

This norm (DIN EN ISO 7091) specifies the characteristics of plain washers, normal series, product grade C, hardness class 100 HV and nominal diameters (threaded nominal diameters) from 1,6 to 64 mm inclusive.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN EN ISO 7091

Publication date: 11/2000

thread size d min=nom d1 max=nom s nom weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
M 1.6 1.8 4 0.3 0.024
M 2 2.4 5 0.3 0.036
M 2.5 2.9 6 0.5 0.086
M 3 3.4 7 0.5 0.116
M 3.5 3.9 8 0.5 0.152
M 4 4.5 9 0.8 0.302
M 5 5.5 10 1 0.430
M 6 6.6 12 1.6 0.991
M 8 9 16 1.6 1.73
M 10 11 20 2 3.44
M 12 13.5 24 2.5 6.07
M 14 15.5 28 2.5 8.38
M 16 17.5 30 3 11
M 18 20 34 3 14
M 20 22 37 3 16.4
M 22 24 39 3 17.5
M 24 26 44 4 31.1
M 27 30 50 4 39.5
M 30 33 56 4 50.5
M 33 36 60 5 71
M 36 39 66 5 87.4
M 39 42 72 6 127
M 42 45 78 8 200
M 45 48 85 8 242
M 48 52 92 8 2845
M 52 56 98 8 319
M 56 62 105 10 442
M 60 66 110 10 478
M 64 70 115 10 513