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DINWithdrawnDraft · single source

DIN 6798 A

Serrated lock washers, external serrations, form A

National equivalents
CSN 021745 · UNI 8842
Property classes
A2A4
Materials
SteelStainless

Dimensions

mm · values as the standard states them
SizePd1d2masss1teeth_min
1.7
1.7 – 1.84
3.3 – 3.6
0.02
0.3
9
2.2
2.2 – 2.34
4.2 – 4.5
0.03
0.3
9
2.7
2.7 – 2.84
5.2 – 5.5
0.045
0.4
9
3.2
3.2 – 3.38
5.7 – 6
0.06
0.4
9
3.7
3.7 – 3.88
6.64 – 7
0.11
0.5
10
4.3
4.3 – 4.48
7.64 – 8
0.14
0.5
11
5.3
5.3 – 5.48
9.64 – 10
0.26
0.6
11
6.4
6.4 – 6.62
10.57 – 11
0.36
0.7
12
7.4
7.4 – 7.62
12.07 – 12.5
0.5
0.8
14
8.4
8.4 – 8.62
14.57 – 15
0.8
0.8
14
10.5
10.5 – 10.77
17.57 – 18
1.25
0.9
16
13
13 – 13.27
19.98 – 20.5
1.6
1
16
15
15 – 15.27
23.48 – 24
2.3
1
18
17
17 – 17.27
25.48 – 26
2.9
1.2
18
19
19 – 19.33
29.48 – 30
5
1.4
18
21
21 – 21.33
32.38 – 33
6
1.4
20
23
23 – 23.33
35.38 – 36
7.5
1.5
20
25
25 – 25.33
37.38 – 38
8
1.5
20
28
28 – 28.33
43.38 – 44
12
1.6
22
31
31 – 31.39
47.38 – 48
14
1.6
22

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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