BS 4320 Standardmäßig Abmessungen für Flat washers according to British norm
Scheiben aus Metall für allgemeine Konstruktionszwecke. Metrische Abmessungen
Die Norm BS 4320 bezieht sich auf Unterlegscheiben aus glänzendem Metall und blankem Metall zur Verwendung mit metrischen ISO Schrauben, Bolzen und Muttern. Die Scheiben werden grundsätzlich in 3 Durchmesserreihen eingeteilt: 'normal', 'groß' und 'extra groß', und die Scheiben aus glänzendem Metall werden weiter unterteilt, um eine 'leichte Reihe' mit Dicken von etwa 60 % der normalen Reihe zu umfassen. Die Scheiben aus glänzendem Metall decken Gewinde von M1 bis M39 ab, die Scheiben aus blankem Metall die Reihe von M5 bis M68.
Maßzeichnungen und technische Diagramme
Wichtigste Abmessungen und technische Parameter
|
Dimensions in mm - source BS 4320 |
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| Publication date: 05/1968 | |||||
|
Thread size
|
Type |
d min
|
d1 max
|
s nom
|
~Weight (7.85 Kg dm3) Kg/1000 Pcs |
| M 1 | A | 1.1 | 2.5 | 0.3 | |
| M 1.2 | A | 1.3 | 3 | 0.3 | |
| M 1.4 | A | 1.5 | 3 | 0.3 | |
| M 1.6 | A | 1.7 | 4 | 0.3 | |
| M 2 | A | 2.2 | 5 | 0.3 | |
| M 2.2 | A | 2.4 | 5 | 0.5 | |
| M 2.5 | A | 2.7 | 6.5 | 0.5 | |
|
M 3
|
A
|
3.2
|
7
|
0.5
|
0.119
|
| M 3.5 | A | 3.7 | 7 | 0.5 | |
|
M 4
|
A
|
4.3
|
9
|
0.8
|
0.308
|
|
B
|
|||||
|
C
|
4.3
|
10
|
0.8
|
0.40
|
|
| M 4.5 | A | 4.8 | 9 | 0.8 | |
|
M 5
|
A
|
5.3
|
10
|
1
|
0.443
|
|
B
|
5.3
|
10
|
0.8
|
0.36
|
|
|
C
|
5.3
|
12.5
|
1
|
0.79
|
|
|
D
|
|||||
|
E
|
5.5
|
10
|
1
|
0.43
|
|
|
F
|
|||||
|
G
|
5.5
|
15
|
1.6
|
1.92
|
|
|
M 6
|
A
|
6.4
|
12.5
|
1.6
|
1.02
|
|
B
|
6.4
|
12.5
|
0.8
|
0.57
|
|
|
C
|
6.4
|
14
|
1.6
|
1.53
|
|
|
D
|
6.4
|
14
|
0.8
|
0.77
|
|
|
E
|
6.6
|
12.5
|
1.6
|
1.11
|
|
|
F
|
|||||
|
G
|
6.6
|
18
|
2
|
3.46
|
|
| M 7 | A | 7.4 | 14 | 1.6 | |
| B | 7.4 | 14 | 0.8 | ||
| C | |||||
| D | |||||
| E | 7.6 | 14 | 1.6 | ||
| F | 7.6 | 21 | 2 | ||
| G | |||||
|
M 8
|
A
|
8.4
|
17
|
1.6
|
2.16
|
|
B
|
8.4
|
17
|
1
|
1.35
|
|
|
C
|
8.4
|
21
|
1.6
|
3.65
|
|
|
D
|
8.4
|
21
|
1
|
2.28
|
|
|
E
|
9
|
17
|
1.6
|
2.05
|
|
|
F
|
9
|
21
|
1.6
|
3.55
|
|
|
G
|
9
|
24
|
2
|
6.10
|
|
|
M 10
|
A
|
10.5
|
21
|
2
|
4.08
|
|
B
|
10.5
|
21
|
1.25
|
2.55
|
|
|
C
|
10.5
|
24
|
2
|
5.74
|
|
|
D
|
10.5
|
24
|
1.25
|
3.59
|
|
|
E
|
11
|
21
|
2
|
3.95
|
|
|
F
|
11
|
24
|
2
|
5.61
|
|
|
G
|
11
|
30
|
2.5
|
12.01
|
|
|
M 12
|
A
|
13
|
24
|
2.5
|
6.27
|
|
B
|
13
|
24
|
1.6
|
4.02
|
|
|
C
|
13
|
28
|
2.5
|
9.48
|
|
|
D
|
13
|
28
|
1.6
|
6.07
|
|
|
E
|
14
|
24
|
2.5
|
5.86
|
|
|
F
|
14
|
28
|
2.5
|
9.06
|
|
|
G
|
14
|
36
|
3
|
20.35
|
|
| M 14 | A | 15 | 28 |
3 |
|
| B | 15 | 28 | 1.6 | ||
| C | 15 | 30 | 2.5 | ||
| D | 15 | 30 | 1.6 | ||
| E | 16 | 28 | 2.5 | ||
| F | 16 | 30 | 2.5 | ||
| G | 16 | 42 | 3 | ||
|
M 16
|
A
|
17
|
30
|
3
|
11.3
|
|
B
|
17
|
30
|
2
|
7.53
|
|
|
C
|
17
|
34
|
3
|
16.04
|
|
|
D
|
17
|
34
|
2
|
10.69
|
|
|
E
|
18
|
30
|
3
|
10.65
|
|
|
F
|
18
|
34
|
3
|
15.39
|
|
|
G
|
18
|
48
|
4
|
48.83
|
|
| M 18 | A | 19 | 34 | 3 | |
| B | 19 | 34 | 2 | ||
| C | 19 | 37 | 3 | ||
| D | 19 | 37 | 2 | ||
| E | 20 | 34 | 3 | ||
| F | 20 | 37 | 3 | ||
| G | 20 | 54 | 4 | ||
|
M 20
|
A
|
21
|
37
|
3
|
17.2
|
|
B
|
21
|
37
|
2
|
11.44
|
|
|
C
|
21
|
39
|
3
|
19.98
|
|
|
D
|
21
|
39
|
2
|
13.32
|
|
|
E
|
22
|
37
|
3
|
16.37
|
|
|
F
|
22
|
39
|
3
|
19.18
|
|
|
G
|
22
|
60
|
5
|
96.06
|
|
| M 22 | A | 23 | 39 | 3 | |
| B | 23 | 39 | 2 | ||
| C | 23 | 44 | 3 | ||
| D | 23 | 44 | 2 | ||
| E | 24 | 39 | 3 | ||
| F | 24 | 44 | 3 | ||
| G | 24 | 66 | 5 | ||
|
M 24
|
A
|
25
|
44
|
4
|
32.3
|
|
B
|
25
|
44
|
2.5
|
20.21
|
|
|
C
|
25
|
50
|
4
|
46.24
|
|
|
D
|
25
|
50
|
2.5
|
28.90
|
|
|
E
|
26.0
|
44
|
4
|
31.07
|
|
|
F
|
26
|
50
|
4
|
44.98
|
|
|
G
|
26
|
72
|
6
|
166.8
|
|
| M 27 | A | 28 | 50 | 4 | |
| B | 28 | 50 | 2.5 | ||
| C | 28 | 56 | 4 | ||
| D | 28 | 56 | 2.5 | ||
| E | 30 | 50 | 4 | ||
| F | 30 | 56 | 4 | ||
| G | 30 | 81 | 6 | ||
|
M 30
|
A
|
31
|
56
|
4
|
53.6
|
|
B
|
31
|
56
|
2.5
|
33.52
|
|
|
C
|
31
|
60
|
4
|
65.08
|
|
|
D
|
31
|
60
|
2.5
|
40.68
|
|
|
E
|
33
|
56
|
4
|
50.48
|
|
|
F
|
33
|
60
|
4
|
61.93
|
|
|
G
|
33
|
90
|
8
|
345.8
|
|
| M 33 | A | 34 | 60 | 5 | |
| B | 34 | 60 | 3 | ||
| C | 34 | 66 | 5 | ||
| D | 34 | 66 | 3 | ||
| E | 36 | 60 | 5 | ||
| F | 36 | 66 | 5 | ||
| G | 36 | 99 | 8 | ||
|
M 36
|
A
|
37
|
66
|
5
|
92.1
|
|
B
|
37
|
66
|
3
|
55.25
|
|
|
C
|
37
|
72
|
5
|
117.61
|
|
|
D
|
37
|
72
|
3
|
70.56
|
|
|
E
|
39
|
66
|
5
|
87.39
|
|
|
F
|
39
|
72
|
5
|
112.9
|
|
|
G
|
39
|
108
|
10
|
625.4
|
|
| M 39 | A | 40 | 72 | 6 | |
| B | 40 | 72 | 3 | ||
| C | 40 | 77 | 6 | ||
| D | 40 | 77 | 3 | ||
| E | 42 | 72 | 6 | ||
| F | 42 | 77 | 6 | ||
| G | 42 | 117 | 10 | ||
|
M 42
|
A
|
||||
|
B
|
|||||
|
C
|
|||||
|
D
|
|||||
|
E
|
45
|
78
|
7
|
175.2
|
|
|
F
|
|||||
|
G
|
|||||
| M 45 | E | 48 | 85 | 7 | |
|
M 48
|
A
|
||||
|
B
|
|||||
|
C
|
|||||
|
D
|
|||||
|
E
|
52
|
92
|
8
|
284.1
|
|
|
F
|
|||||
|
G
|
|||||
| M 52 | E | 56 | 98 | 8 | |
|
M 56
|
A
|
||||
|
B
|
|||||
|
C
|
|||||
|
D
|
|||||
|
E
|
62
|
105
|
9
|
398.5
|
|
|
F
|
|||||
|
G
|
|||||
| M 60 | E | 66 | 110 | 9 | |
|
M 64
|
A
|
||||
|
B
|
|||||
|
C
|
|||||
|
D
|
|||||
|
E
|
70
|
115
|
9
|
461.9
|
|
|
F
|
|||||
|
G
|
|||||
| M 68 | E | 74 | 120 | 10 | |