DIN 7985 is a standard for cross recessed (Phillips) flat head machine screws. These screws have a conical head with a cross recess. They are commonly used in mechanical assemblies that require an external threaded connection, such as to mate with an internally threaded hole or through hole. These screws range in size from M3 to M10 and are available in different materials such as steel and stainless steel. They are widely used in a variety of mechanical connection applications that require an exposed screw head.
Product Data
Specification
d
dk
k
l
M3
6
2.4
5-60
M4
8
3.1
5-100
M5
10
3.8
5-100
M6
12
4.6
8-150
M8
16
6.0
10-150
M10
20
7.5
12-150
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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