Black 12.9 Grade High Tensile Hex Socket Cap Screws are robust fasteners made from alloy carbon steel. These screws, heat-treated, quenched, and tempered, offer exceptional strength. With a proof load of 970 MPa and a minimum tensile strength of 1220 MPa, they rank among the highest strength hex screws available. Their cylindrical head features a hexagonal recess, ensuring secure installation with an Allen wrench or hex key.
Product Data
Specification
Size
t time
s
k max
dk
l
M4
2.0
3.0
4.0
7.0
25-40
M5
2.5
4.0
5.0
8.5
25-50
M6
3.0
5.0
6.0
10.0
25-120
M8
4.0
6.0
8.0
13.0
30-180
M10
5.0
8.0
10.0
16.0
40-300
M12
6.0
10.0
12.0
18.0
40-300
M14
7.0
12.0
14.0
21.0
40-300
M16
8.0
14.0
16.0
24.0
40-300
M18
9.0
14.0
18.0
27.0
45-300
M20
10.0
17.0
20.0
30.0
45-300
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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