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DIN 6799 Standard Dimensions for Retaining washers lock washers for shafts

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This standard (DIN 6799) specifies requirements for retaining washers intended for axially holding components on shafts. They are radially incorporated into grooves and enclose the groove base in a deflexible way with segments.

Dimensional Drawing and Technical Diagrams

441_2fmBcY_DIN-6799--2.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 6799

Publication date: 06/2017 supercedes DIN 6799 date: 04-2011
nominal diameter d2 s nominal size a nominal size d2 d3 max m n ≈ weight x 1000 pcs in kg
min max
0.8 0.2 0.58 0.54 2.25 2.25 0.24 0.4 0.003
1.2 0.3 1.01 0.97 3.25 3.25
0.34
0.6
 0.009
1.5 0.4 1.25 1.24 4.25 4.25
0.44
0.8
 0.021
1.9 0.5 1.61 1.57 4.8 4.80
0.54
1
 0.040
2.3 0.6 1.94 1.9 6.3 6.30
0.64
1
 0.069
3.2 0.6 2.7 2.66 7.3 7.30
0.64
1
 0.088
4 0.7 3.34 3.292 9.3 9.30
0.74
1.2
 0.158
5 0.7 4.11 4.062 11.3 11.30
0.74
1.2
 0.236
6 0.7 5.26 5.212 12.3 12.30
0.74
1.2
 0.255
7 0.9 5.84 5.792 143 14.30
0.94
1.5

0.474
8 1 6.52 6.462 16.3 16.30
1.05
1.8

0.660
9 1.1 7.63 7.572 18.8 18.80
1.15
2
 1.09
10 1.2 8.32 8.262 20.4 20.40
1.25
2
 1.25
12 1.3 10.45 10.38 23.4 23.4
1.35
2.5
 1.63
15 1.5 12.61 12.54 29.4 29.4
1.55
3.
 3.37
19 1.75 15.92 15.85 37.6 37.6
1.80
3.5
 6.42
24 2 21.88 21.796 44.6 44.6
2.05
4
 8.55
30 2.5 25.8 25.716 52.6 52.6
2.55
4.5
 13.5

Dimensions in mm - source DIN 6799

Publication date: 04/2011supercedes DIN 6799 date: 09-1981
nominal diameter d2 d1
d2 max.
s nom
a nom
Shaft diameter range d3 (min÷max)
m
n min.
 ≈ weight x 1000 pcs in kg
0.8 1<d1<1.4 2.25 0.2 0.58 2.25 0.24 0.4 0.003
1.2
 1.4<d1<2
3.25
0.3
1.01
 3.25
0.34
0.6
 0.009
1.5
 2<d1<2.5
4.25
0.4
1.28
 4.25
0.44
0.8
 0.021
1.9
 2.5<d1<5
4.8
0.5
1.61
 4.80
0.54
1
 0.040
2.3
 3<d1<4
6.3
0.6
1.94
 6.30
0.64
1
 0.069
3.2
 4<d1<5
7.3
0.6
2.7
 7.30
0.64
1
 0.088
4
 5<d1<7
9.3
0.7
3.34
 9.30
0.74
1.2
 0.158
5
 6<d1<8
11.3
0.7
4.11
 11.30
0.74
1.2
 0.236
6
 7<d1<9
12.3
0.7
5.26
 12.30
0.74
1.2
 0.255
7
 8<d1<11
14.3
0.9
5.84
 14.30
0.94
1.5
 0.474
8
 9<d1<12
16.3
1
6.52
 16.30
1.05
1.8
 0.660
9
 10<d1<14
18.8
1.1
7.63
 18.30
1.15
2
 1.09
10
 11<d1<15
20.4
1.2
8.32
 20.40
1.25
2
 1.25
12
 13<d1<18
23.4
1.3
10.45
 23.4
1.35
2.5
 1.63
15
 16<d1<24
29.4
1.5
12.61
 29.4
1.55
3.
 3.37
19
 20<d1<31
37.6
1.75
15.92
 37.6
1.80
3.5
 6.42
24
 25<d1<38
44.6
2
21.88
 44.6
2.05
4
 8.55
30
 32<d1<42
52.6
2.5
25.80
 52.6
2.55
4.5
 13.5

Dimensions in mm - source DIN 6799

Publication date: 09/1981

nominal diameter d2

 s nominal size a nominal size d2 d3 max ≈ weight x 1000 pcs in kg
min max
0.8 0.2 0.58 0.54 2.25 2.25 0.003
1.2 0.3 1.1 0.97 3.25 3.25 0.009
1.5 0.4 1.28 1.24 4.25 4.25 0.021
1.9 0.5 1.61 1.57 4.8 4.80 0.040
2.3 0.6 1.94 1.9 6.3 6.30 0.069
3.2 0.6 2.7 2.66 7.3 7.30 0.088
4 0.7 3.34 3.292 9.3 9.30 0.158
5 0.7 4.11 4.062 11.3 11.30 0.236
6 0.7 5.26 5.212 12.3 12.30 0.255
7 0.9 5.84 5.792 14.3 14.30

0.474
8 1 6.52 6.462 16.3 16.30

0.660
9 1.1 7.63 7.572 18.8 18.30 1.09
10 1.2 8.32 8.262 20.4 20.40 1.25
12 1.3 10.45 10.38 23.4 23.4 1.63
15 1.5 12.61 12.54 29.4 29.4 3.37
19 1.75 15.92 15.85 37.6 37.6 6.42
24 2 21.88 21.796 44.6 44.6 8.55
30 2.5 25.8 25.716 52.6 52.6 13.5

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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