PLAIN WASHERS (METRIC) – BS4320 FORM A, B, C & D |
DIA |
D1 (Nom) |
Form A |
Form B |
Form C |
Form D |
||||
D2 (Nom) |
T (Nom) |
D2 (Nom) |
T (Nom) |
D2 (Nom) |
T (Nom) |
D2 (Nom) |
T (Nom) |
||
M3 |
3.2 |
7.0 |
0.5 |
7.0 |
- |
- |
- |
- |
- |
M4 |
4.3 |
9.0 |
0.8 |
9.0 |
- |
10.0 |
0.8 |
10.0 |
- |
M5 |
5.3 |
10.0 |
1.0 |
10.0 |
- |
12.5 |
1.0 |
12.5 |
- |
M6 |
6.4 |
12.5 |
1.6 |
12.5 |
0.8 |
14.0 |
1.6 |
14.0 |
0.8 |
M8 |
8.4 |
17.0 |
1.6 |
17.0 |
1.0 |
21.0 |
1.6 |
21.0 |
1.0 |
M10 |
10.5 |
21.0 |
2.0 |
21.0 |
1.25 |
24.0 |
2.0 |
24.0 |
1.25 |
M12 |
13.0 |
24.0 |
2.5 |
24.0 |
1.6 |
28.0 |
2.5 |
28.0 |
1.6 |
M14 |
15.0 |
28.0 |
2.5 |
28.0 |
1.6 |
30.0 |
2.5 |
30.0 |
1.6 |
M16 |
17.0 |
30.0 |
3.0 |
30.0 |
2.0 |
34.0 |
3.0 |
34.0 |
2.0 |
M18 |
19.0 |
34.0 |
3.0 |
34.0 |
2.0 |
37.0 |
3.0 |
37.0 |
2.0 |
M20 |
21.0 |
37.0 |
3.0 |
37.0 |
2.0 |
39.0 |
3.0 |
39.0 |
2.0 |
M22 |
23.0 |
39.0 |
3.0 |
39.0 |
2.0 |
44.0 |
3.0 |
44.0 |
2.0 |
M24 |
25.0 |
44.0 |
4.0 |
44.0 |
2.5 |
50.0 |
4.0 |
50.0 |
2.5 |
M27 |
28.0 |
50.0 |
4.0 |
50.0 |
2.5 |
56.0 |
4.0 |
56.0 |
2.5 |
M30 |
31.0 |
56.0 |
4.0 |
56.0 |
2.5 |
60.0 |
4.0 |
60.0 |
2.5 |
M33 |
34.0 |
60.0 |
5.0 |
60.0 |
3.0 |
66.0 |
5.0 |
66.0 |
3.0 |
M36 |
37.0 |
66.0 |
5.0 |
66.0 |
3.0 |
72.0 |
5.0 |
72.0 |
3.0 |
M39 |
40.0 |
72.0 |
6.0 |
72.0 |
3.0 |
77.0 |
6.0 |
77.0 |
3.0 |