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ISO 7090

Plain washers, chamfered, normal series, product grade A

Replaces
National equivalents
CSN 021702 · PN 82006 · UNI 1751
Property classes
A2A4A5
Materials
SteelStainlessBrassCopperAluminiumPlastic Pa

Dimensions

mm · values as the standard states them
SizePd1hd2mass
5.3
5.3 – 5.48
0.9 – 1.1
9.64 – 10
0.443
6.4
6.4 – 6.62
1.4 – 1.8
11.57 – 12
1.02
8.4
8.4 – 8.62
1.4 – 1.8
15.57 – 16
1.83
10.5
10.5 – 10.77
1.8 – 2.2
19.48 – 20
3.57
13
13 – 13.27
2.3 – 2.7
23.48 – 24
6.27
15
15 – 15.27
2.3 – 2.7
27.48 – 28
8.62
17
17 – 17.27
2.7 – 3.3
29.48 – 30
11.3
19
19 – 19.33
2.7 – 3.3
33.38 – 34
14.7
21
21 – 21.33
2.7 – 3.3
36.38 – 37
17.2
23
23 – 23.33
2.7 – 3.3
38.38 – 39
18.3
25
25 – 25.33
3.7 – 4.3
43.38 – 44
32.3
27
27 – 27.33
3.7 – 4.3
49.38 – 50
43.7
28
28 – 28.33
3.7 – 4.3
49.38 – 50
42.3
29
29 – 29.33
3.7 – 4.3
49.38 – 50
40.9
31
31 – 31.39
3.7 – 4.3
55.26 – 56
53.6
33
33 – 33.62
4.4 – 5.6
58.8 – 60
77.4
34
34 – 34.62
4.4 – 5.6
58.8 – 60
75.3
36
36 – 36.62
4.4 – 5.6
64.8 – 66
94.3
37
37 – 37.62
4.4 – 5.6
64.8 – 66
92.1
39
39 – 39.62
5.4 – 6.6
70.8 – 72
136
40
40 – 40.62
5.4 – 6.6
70.8 – 72
133
41
41 – 41.62
5.4 – 6.6
70.8 – 72
130
50
50 – 50.62
7 – 9
90.6 – 92
294
52
52 – 52.74
7 – 9
90.6 – 92
284
54
54 – 54.74
7 – 9
96.6 – 98
330
60
60 – 60.74
8 – 10
108.6 – 110
472

Ranges read min – max; ≤ / ≥ where the standard gives one limit, ≈ for approximate values. Sizes in (brackets) are non-preferred. Select a row for its size sheet.

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