DIN 125 A Flat Washers are thin, circular metal discs with a centrally located hole. These washers lack chamfers and are commonly used to distribute the load over a larger bearing surface. When placed under a nut or the head of a screw, they increase the bearing area and evenly distribute clamping force.
Product Data
Size
d
D
s
M3
3.2
7
0.5
M4
4.3
9
0.8
M5
5.3
10
1.0
M6
6.4
12
1.6
M8
8.4
16
1.6
M10
10.5
20
2.0
M12
13
24
2.5
M14
15
28
2.5
M16
17
30
3.0
M18
19
34
3.0
M20
21
37
3.0
M22
23
39
3.0
M24
25
44
4.0
M27
28
50
4.0
M30
31
56
4.0
M33
34
60
5.0
M36
37
66
5.0
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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