Related Resources: hardware
ISO 4463 Metric Crinkle Washers
Engineering ANSI Hardware Design Data
Engineering Metric Hardware Design Data
BS ISO EN 4463 Metric Crinkle Washers Specifications
a Second choice sizes in brackets ( ).
All dimensions in mm.
Nominal
(thread.) diametera |
Inside
diameter d1 |
Outside
diameter d2 |
Height
h |
Thickness
s |
|||
max.
|
min.
|
max.
|
min.
|
max.
|
min.
|
||
M1.6
|
1.8
|
1.7
|
3.7
|
3.52
|
0.51
|
0.36
|
0.16
|
M2
|
2.3
|
2.2
|
4.6
|
4.42
|
0.53
|
0.38
|
0.16
|
M2.5
|
2.8
|
2.7
|
5.8
|
5.62
|
0.53
|
0.38
|
0.16
|
M3
|
3.32
|
3.2
|
6.4
|
6.18
|
0.61
|
0.46
|
0.16
|
M4
|
4.42
|
4.3
|
8.1
|
7.88
|
0.84
|
0.69
|
0.28
|
M5
|
5.42
|
5.3
|
9.2
|
8.98
|
0.89
|
0.74
|
0.30
|
M6
|
6.55
|
6.4
|
11.5
|
11.23
|
1.14
|
0.99
|
0.40
|
M8
|
8.55
|
8.4
|
15.0
|
14.73
|
1.40
|
1.25
|
0.40
|
M10
|
10.68
|
10.5
|
19.6
|
19.27
|
1.70
|
1.55
|
0.55
|
M12
|
13.18
|
13.0
|
22.0
|
21.67
|
1.90
|
1.65
|
0.55
|
(M14)
|
15.18
|
15.0
|
25.5
|
25.17
|
2.06
|
1.80
|
0.55
|
M16
|
17.18
|
17.0
|
27.8
|
27.47
|
2.41
|
2.16
|
0.70
|
(M18)
|
19.21
|
19.0
|
31.3
|
30.91
|
2.41
|
2.16
|
0.70
|
M20
|
21.21
|
21.0
|
34.7
|
34.31
|
2.66
|
2.16
|
0.70
|