The DIN 125A Stainless Steel Flat Washer is a thin, circular disk with a concentric hole. Designed to distribute load and prevent surface damage, it’s commonly placed under nuts or screw heads. Available in various sizes (e.g., M1.6 to M39), these washers ensure secure fastening in industrial applications.
Product Data
Size
d1
d2
h
min
max
min
max
min
max
M1.6
1.7
1.84
3.7
4
0.25
0.35
M2
2.2
2.34
4.7
5
0.25
0.35
M2.5
2.7
2.84
5.7
6
0.45
0.55
M3
3.32
3.8
6.64
7
0.45
0.55
M3.5
3.7
3.88
7.64
8
0.45
0.55
M4
4.3
4.48
8.64
9
0.7
0.9
M5
5.3
5.48
9.64
10
0.9
1.1
M6
6.4
6.62
11.57
12
1.4
1.8
M7
7.4
7.62
13.57
14
1.4
1.8
M8
8.4
8.62
15.57
16
1.4
1.8
M10
10.5
10.77
19.48
20
1.8
2.2
M12
13
13.27
23.48
24
2.3
2.7
M14
15
15.27
27.48
28
2.3
2.7
M16
17
17.27
29.48
30
2.7
3.3
M18
19
19.33
33.38
34
2.7
3.3
M20
21
21.33
36.38
37
2.7
3.3
M22
23
23.33
38.38
39
2.7
3.3
M24
25
25.33
43.38
44
3.7
4.3
M27
28
28.33
49.38
50
3.7
4.3
M30
31
31.39
55.26
56
3.7
4.3
M33
34
34.62
58.8
60
4.4
5.6
M3
37
37.62
64.8
66
4.4
5.6
M39
40
40.62
70.8
72
5.4
6.6
Applications
Building Insulation: Primarily used in the installation of thermal insulation systems in residential, commercial, and industrial buildings.
External Wall Insulation: Often used in External Thermal Insulation Composite Systems (ETICS) to fix insulation boards to external walls.
Roof Insulation: Suitable for securing insulation materials on roofs to enhance energy efficiency and thermal performance.
Floor Insulation: Utilized in floor insulation systems to prevent heat loss through the flooring and improve overall energy efficiency.
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