Technical History and International Equivalents of DIN EN ISO 7089

Equivalent standards: UNI EN ISO 7089 BS EN ISO 7089

Flat Washer

This norm (DIN EN ISO 7089) specifies the characteristics of plain washers, normal series, product grade A, hardness classes 200 HV and 300 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 7089 Grade A

Publication date: 11/2000 - Replaces together with (DIN EN ISO 7090): DIN 125 1-2 1990
Thread size d nom=min d1 nom=max s nom weight in Kg x 1000 pcs (ρ=7,85 kg/dm3)
M 1.6
1.7
4
0.3
0.024
M 2
2.2
5
0.3
0.037
M 2.5
2.7
6
0.5
0.088
M 3
3.2
7
0.5
0.119
M 3.5
3.7
8
0.5
0.155
M 4
4.3
9
0.8
0.308
M 5
5.3
10
1
0.443
M 6
6.4
12
1.6
1.02
M 8
8.4
16
1.6
1.83
M 10
10.5
20
2
3.57
M 12
13
24
2.5
6.27
M 14
15
28
2.5
8.62
M 16
17
30
3
11.3
M 18
19
34
3
14.7
M 20
21
37
3
17.2
M 22
23
39
3
18.3
M 24
25
44
4
32.3
M 27
28
50
4
42.3
M 30
31
56
4
53.6
M 33
34
60
5
75.3
M 36
37
66
5
92.1
M 39
42
72
6
133
M 42
45
78
8
209
M 45
48
85
8
251
M 48
52
92
8
284
M 52
56
98
8
319
M 56
62
105
10
472
M 60
66
110
10
509
M 64
70
115
10
547