Suppliers of Flat washers according to British norm
This product is regulated by the following standards:
Technical data
Flat washers according to British norm
This product is regulated by the following standards:
Standard BS 4320
Metal washers for general engineering purposes. Metric series
BS 4320 Relates to bright metal and black metal washers for use with ISO metric bolts, screws and nuts. The washers are basically divided into 3 categories of size: ''normal'', ''large'' and ''extra large'' diameter series and the bright washers are further divided by including a ''light range'' which have thicknesses approximately 60 per cent of the ''normal range'' thicknesses. The bright metal washers cover the range for bolts, M1 to M39, and the black metal washers cover the range M5 to M68.
|
Dimensions in mm - source BS 4320 |
|||||
| 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 | |
Details
Flat washers according to British norm
|
Dimensions in mm - source BS 4320 |
|||||
| Publication date: 05/1968 | |||||
|
Thread size
|
Type |
d min
|
d1 max
|
s nom
|
~Weight(7.85 Kg dm3) Kg/1000 Pcs |
|
M 3
|
A
|
3.2
|
7
|
0.5
|
0.119
|
|
B
|
|
|
|
|
|
|
C
|
|
|
|
|
|
|
D
|
|
|
|
|
|
|
E
|
|
|
|
|
|
|
F
|
|
|
|
|
|
|
G
|
|
|
|
|
|
|
M 4
|
A
|
4.3
|
9
|
0.8
|
0.308
|
|
B
|
|
|
|
|
|
|
C
|
4.3
|
10.0
|
0.8
|
0.40
|
|
|
D
|
|
|
|
|
|
|
E
|
|
|
|
|
|
|
F
|
|
|
|
|
|
|
G
|
|
|
|
|
|
|
M 5
|
A
|
5.3
|
10
|
1.0
|
0.443
|
|
B
|
5.3
|
10
|
0.8
|
0.36
|
|
|
C
|
5.3
|
12.5
|
1.0
|
0.79
|
|
|
D
|
|
|
|
|
|
|
E
|
5.5
|
10.0
|
1.0
|
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
|
12.6
|
1.6
|
1.11
|
|
|
F
|
|
|
|
|
|
|
G
|
6.6
|
18
|
2
|
3.46
|
|
|
M 8
|
A
|
8.4
|
17
|
1.6
|
2.16
|
|
B
|
8.4
|
17
|
1.0
|
1.35
|
|
|
C
|
8.4
|
21
|
1.6
|
3.65
|
|
|
D
|
8.4
|
21
|
1.0
|
2.28
|
|
|
E
|
9.0
|
17
|
1.6
|
2.05
|
|
|
F
|
9
|
21
|
1.6
|
3.55
|
|
|
G
|
9
|
24
|
2
|
6.10
|
|
|
M 10
|
A
|
10.5
|
21
|
2.0
|
4.08
|
|
B
|
10.5
|
21
|
1.25
|
2.55
|
|
|
C
|
10.5
|
24
|
2.0
|
5.74
|
|
|
D
|
10.5
|
24
|
1.25
|
3.59
|
|
|
E
|
11.0
|
21
|
2.0
|
3.95
|
|
|
F
|
11
|
24
|
2
|
5.61
|
|
|
G
|
11
|
30
|
2.5
|
12.01
|
|
|
M 12
|
A
|
13.0
|
24
|
2.5
|
6.27
|
|
B
|
13.0
|
24
|
1.6
|
4.02
|
|
|
C
|
13.0
|
28
|
2.5
|
9.48
|
|
|
D
|
13.0
|
28
|
1.6
|
6.07
|
|
|
E
|
14.0
|
24
|
2.5
|
5.86
|
|
|
F
|
14
|
28
|
2.5
|
9.06
|
|
|
G
|
14
|
36
|
3
|
20.35
|
|
|
M 16
|
A
|
17.0
|
30
|
3.0
|
11.3
|
|
B
|
17.0
|
30
|
2.0
|
7.53
|
|
|
C
|
17.0
|
34
|
3.0
|
16.04
|
|
|
D
|
17.0
|
34
|
2.0
|
10.69
|
|
|
E
|
18.0
|
30
|
3.0
|
10.65
|
|
|
F
|
18
|
34
|
3
|
15.39
|
|
|
G
|
18
|
48
|
4
|
48.83
|
|
|
M 20
|
A
|
21
|
37
|
3.0
|
17.2
|
|
B
|
21
|
37
|
2.0
|
11.44
|
|
|
C
|
21
|
39
|
3.0
|
19.98
|
|
|
D
|
21
|
39
|
2.0
|
13.32
|
|
|
E
|
22.0
|
37
|
3.0
|
16.37
|
|
|
F
|
22
|
39
|
3
|
19.18
|
|
|
G
|
22
|
60
|
5
|
96.06
|
|
|
M 24
|
A
|
25
|
44
|
4.0
|
32.3
|
|
B
|
25
|
44
|
2.5
|
20.21
|
|
|
C
|
25
|
50
|
4.0
|
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 30
|
A
|
31
|
56
|
4.0
|
53.6
|
|
B
|
31
|
56
|
2.5
|
33.52
|
|
|
C
|
31
|
60
|
4.0
|
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 36
|
A
|
37
|
66
|
5.0
|
92.1
|
|
B
|
37
|
66
|
3.0
|
55.25
|
|
|
C
|
37
|
72
|
5.0
|
117.61
|
|
|
D
|
37
|
72
|
3.0
|
70.56
|
|
|
E
|
39
|
66
|
5
|
87.39
|
|
|
F
|
39
|
72
|
5
|
112.9
|
|
|
G
|
39
|
108
|
10
|
625.4
|
|
|
M 42
|
A
|
|
|
|
|
|
B
|
|
|
|
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C
|
|
|
|
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D
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|
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|
|
|
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E
|
45
|
78
|
7
|
175.2
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F
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|
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|
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G
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|
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M 48
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A
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B
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C
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|
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D
|
|
|
|
|
|
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E
|
52
|
92
|
8
|
284.1
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|
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F
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|
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|
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G
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|
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M 56
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A
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B
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C
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|
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|
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|
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D
|
|
|
|
|
|
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E
|
62
|
105
|
9
|
398.5
|
|
|
F
|
|
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|
|
|
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G
|
|
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M 64
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A
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B
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C
|
|
|
|
|
|
|
D
|
|
|
|
|
|
|
E
|
70
|
115
|
9
|
461.9
|
|
|
F
|
|
|
|
|
|
|
G
|
|
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|
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Full list of Suppliers of Flat washers according to British norm
Company leader in the commerce of nuts, bolts.
Range of more than 100.000 products such as screws, bolts, technical articles, industrial wheels, Tie rods for ropes and tools.
Lederer is one of the most specialized European supplier of stainless steel fasteners, normed and standardized items, special parts by drawing and C-parts management.
More than 25,000 different articles directly from stock: screws, pins, nuts, rings, washers, made from stainless steel; standard and designed parts; DIN, EN, ISO, L(ederer) and other standards; special parts and special materials.
Leading manufacturer of automotive fasteners in INDIA, IATF 16949:2016 certified.
We have more than 3 decades of experience in the manufacturing of high quality fasteners and stamping components, from five manufacturing facilities in India.
The product range we offer: cold forged nuts, bolts, washers and stamping components.
pgb-Europe holds over 40.000 SKU of fasteners, fixings in stock.
With focus on high product quality and optimal product presentation we are one of the leading suppliers of fasteners in the Benelux.
Wholesaler/distributor of screws, nuts and bolts built in different materials, from plain steel to high resistance steel, to stainless steel and brass
Fasteners for: automobile, ironwork, furniture, producers of aluminum & PVC carpentry, agricultural machinery, mechanical engineering, fine mechanics, wood, metallic structures, food, energetic, chemical, petrochemical, gas, nuclear, nautical.
Leading manufacturer of stainless steel washers and compensation rings for ball bearings. Standard and special parts.
Specialists in hot dip galvanized fasteners
Stafa is a leading European importer of fasteners and fixings with a huge range of more than 75,000 products.
Private label packaging, assembled sets and kits, direct manufacturer to customer for large volumes, retail store concepts, special parts and complete project deliveries.
Manufacturer of blind rivets, rivet nuts, pneumatic tools and washers. Distributor & importer of fasteners.
BSC CORPORATION LTD is a group founded in 2005, headquartered in Shanghai and developed in two factories, respectively located in Xinghua, Jiangsu province and Liaocheng, Shandong province.
The company is specialized in washers, stamping parts and other kinds of fasteners. The registered capital amounts to 50 million yuan.
Manufacturer of Hex. head and socket fasteners, wood screws, high tensile fasteners, nuts. Copper and Aluminium fasteners.
Distributor of complete range of fasteners
Biggest factory in China producing stainless steel washers.
Fat washers, spring washers, tooth lock washers and stamping parts.
Materials: 316L ,316S33,1.4462.
Manufacturer of standard and special washers in different materials, with internal diameter from 2.5 up to 80mm.
Manufacturer of washers and high quality safety shims. All materials: aluminium, bronze, iron and steel, stainless steel (A2, A4), copper, brass etc.
Manufacturer of standard flat washers ISOPLAC washers, also called pressure plates, used to secure insulation.
Fastener manufacturing company with more than 15 years experience.
Production range: all kinds of flat washers, spring washers, toothed washers, square washers, custom special washers.
Materials: stainless steel, carbon steel, brass.
Importer/Wholesaler of fasteners in steel, stainless steel, brass, nylon and titanium.
Manufacturer of Plain Washers, Flat Washers, Spring Washers & Special Sheet Metal & Wire Components, Din 127, Din 125, Din 9021.
Leading manufacturer and supplier of a broad range of fasteners for numerous industrial branches. Owing to the high quality, durability and precise craftsmanship, our products are appreciated by numerous companies from the furniture, construction, electrotechnical and automotive sectors.
We hold a strong position on the domestic and European markets.
Specialist in construction fasteners: drywall screws, deck screws, self tapping screws, self drilling screws, chipboard screws, cement board screws, wood screws, collated screws, stainless steel screws, coated screws.
Family-owned and managed in fourth generation, we are a leading European manufacturer of steel washers according to international standards and special stamped parts for mechanical connections.
Our customers are well-known fastener wholesalers and end users in the sectors of wind energy, steel construction, traffic engineering, railway engineering, agricultural machines and the automotive supplier industry.
Manufacturer of flat washers, combined washers, sealing washers, clamp washers, special washers and stampings
World class manufacturer of bespoke hot forged/heat treated Industrial bolts & nuts and Marine engine components.
Manufacturer specialized in washers. Production of 200,000 washers/day.
Flat, spring, toothed, square and wave washers, etc...
Manufacturer of plates and corner braces for ironmongery,  shelves, brackets, blades for wall unit bracket, plates for gazebo, plastic items etc...
Production of washers in different sizes and norms
Manufacturer of flat washers, spring washers, toothed washers, contact washers, belleville washers, spring washers, retaining rings, stamping parts.
Manufacturer of washers, stampings and spring-action washers and sealing washers with a variety of materials
Manufacturer of stud bolts and fixing elements.
Stainless steel is our main material, and our wedge anchors feature manually machined characteristics.
Our core value is to produce customized and innovated wedge anchors based on your drawings. Our expansion clip is specially designed. Our products also include special bolts and flat washers.