Plain Washers, Black : Metric Series |
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(Dimensions in Millimetres) |
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| Designation |
Internal Diameter |
External Diameter |
Thickness |
| (Thread |
d1 |
d2 |
s |
| Diameter) |
Max |
Min |
Max |
Min |
Max |
Min |
|
| M5 |
5.8 |
5.5 |
10.0 |
9.2 |
1.2 |
0.8 |
| M6 |
7.0 |
6.6 |
12.5 |
11.7 |
1.9 |
1.3 |
| (M7) |
8.0 |
7.6 |
14.0 |
13.2 |
1.9 |
1.3 |
| M8 |
9.4 |
9.0 |
17.0 |
16.2 |
1.9 |
1.3 |
| M10 |
11.5 |
11.0 |
21.0 |
20.2 |
2.3 |
1.7 |
| M12 |
14.5 |
14.0 |
24.0 |
23.2 |
2.8 |
2.2 |
| (M14) |
16.5 |
16.0 |
28.0 |
27.2 |
2.8 |
2.2 |
| M16 |
18.5 |
18.0 |
30.0 |
29.0 |
3.6 |
2.4 |
| (M18) |
20.6 |
20.0 |
34.0 |
32.8 |
3.6 |
2.4 |
| M20 |
22.6 |
22.0 |
37.0 |
35.8 |
3.6 |
2.4 |
| (M22) |
24.6 |
24.0 |
39.0 |
37.8 |
3.6 |
2.4 |
| M24 |
26.6 |
26.0 |
44.0 |
42.8 |
4.6 |
3.4 |
| (M27) |
30.6 |
30.0 |
50.0 |
48.8 |
4.6 |
3.4 |
| M30 |
33.8 |
33.0 |
56.0 |
54.5 |
4.6 |
3.4 |
| (M33) |
36.8 |
36.0 |
60.0 |
58.5 |
6.0 |
4.0 |
| M36 |
39.8 |
39.0 |
66.0 |
64.5 |
6.0 |
4.0 |
| (M39) |
42.8 |
42.0 |
72.0 |
70.5 |
7.0 |
5.0 |
| M42 |
45.8 |
45.0 |
78.0 |
76.5 |
8.2 |
5.8 |
| M45 |
48.8 |
48.0 |
85.0 |
83.0 |
8.2 |
5.8 |
| M56 |
63.0 |
62.0 |
92.0 |
90.0 |
9.2 |
6.8 |
| (M60) |
67.0 |
66.0 |
110.0 |
108.0 |
10.2 |
7.8 |
| M64 |
71.0 |
70.0 |
115.0 |
113.0 |
10.2 |
7.8 |
| (M68) |
75.0 |
74.0 |
120.0 |
118.0 |
11.2 |
8.8 |
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Non-preferred sizes in brackets().
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