Pdf — Din 7504 K Standard

Often used with EPDM washers to create waterproof seals on metal roofing, siding, and sheet metal fabrication.

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When reviewing a DIN 7504 K technical data sheet, you will encounter several standardized variables:

| Thread Size (mm) | Pitch (P) | Head Height (k) max/min (mm) | Flange Diameter (dc) max/min (mm) | Width Across Flats (s) max/min (mm) | Drilling Capacity (dp) max (mm) | | :--- | :--- | :--- | :--- | :--- | :--- | | ST 2.9 | 1.1 | 2.8 / 2.5 | 6.3 / 5.8 | 4.0 / 3.82 | 2.3 | | ST 3.5 | 1.3 | 3.4 / 3.0 | 8.3 / 7.6 | 5.50 / 5.32 | 2.8 | | ST 3.9 | 1.3 | 3.4 / 3.0 | 8.3 / 7.6 | 5.50 / 5.32 | 3.1 | | ST 4.2 | 1.4 | 4.1 / 3.6 | 8.8 / 8.1 | 7.0 / 6.78 | 3.6 | | ST 4.8 | 1.6 | 4.3 / 3.8 | 10.5 / 9.8 | 8.0 / 7.78 | 4.1 | | ST 5.5 | 1.8 | 5.4 / 4.8 | 11.0 / 10.0 | 8.0 / 7.78 | 4.8 | | ST 6.3 | 1.8 | 5.9 / 5.3 | 13.5 / 12.2 | 10.0 / 9.78 | 5.8 | din 7504 k standard pdf

DIN 7504 K standard specifies the dimensions, mechanical requirements, and test methods for hexagon head self-drilling screws

These screws are indispensable in construction and manufacturing due to their time-saving capabilities.

To assist you further with this technical standard, please let me know: Often used with EPDM washers to create waterproof

The DIN 7504 standard has been withdrawn and replaced by the international standard . This is a crucial point for engineers and procurement specialists to understand.

Joining light-gauge steel studs in commercial construction.

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Case-hardened construction ensures high tensile strength.

In modern construction and industrial assembly, efficiency and reliability are paramount. The standard defines one of the most popular types of fasteners used for this purpose: the self-drilling screw with a hexagonal head and a washer. These screws are engineered to drill, tap, and fasten in a single operation, reducing assembly time and labor costs.

Crucial Engineering Note: Pure stainless steel cannot be case-hardened to cut through structural carbon steel. Therefore, high-performance stainless DIN 7504 K screws are often manufactured as —featuring an A2/A4 body welded to a hardened carbon steel drill point. Surface Protective Coatings