DIN 931 Hexagonal Head Bolts are externally threaded fasteners with a hexagon-shaped head and a partially threaded shank. They're commonly used in construction, machinery, and automotive applications. The head is typically tightened with a spanner or socket tool, and these bolts can be used with nuts or in pre-tapped holes.
Product Data
Specification
d
k
s
l
M4
2.8
7
12-40
M5
3.5
8
12-50
M6
4.0
10
55-150
M8
5.3
13
55-150
M10
6.4
17
55-150
M12
7.5
19
55-200
M14
8.8
22
55-200
M16
10.0
24
55-200
M18
11.5
27
55-200
M20
12.5
30
55-200
M22
14.0
32
65-300
M24
15.0
36
70-300
M27
17.0
41
80-300
M30
18.7
46
80-300
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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