DIN 7349 Thick Flat Washer is a structural fastener specifically engineered for high-load applications. Characterized by its significantly increased thickness compared to standard washers, it offers superior rigidity, allowing it to withstand heavy pre-load forces without cracking or deforming, while effectively protecting mating surfaces and distributing pressure evenly. Typically manufactured from heavy-duty steel, these washers are widely used in mechanical engineering, automotive manufacturing, and heavy structural assemblies involving high-strength bolted joints.
Product Data
Specification
d
dc
h
3.2
9
1
4.3
12
1.6
5.3
15
2
6.4
17
3
8.4
21
4
10.5
25
4
13
30
6
15
36
6
17
40
6
19
44
8
21
44
8
23
50
8
25
50
10
28
60
10
31
68
10
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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