Standard Pdf — Din 7504 K

How to verify the screw’s ability to form a thread in a standardized test plate (usually 6 mm thick with a specific hole diameter).

| Thread Size (d) | Pitch (P) | Head Height (k), max | Collar Diameter (dc), max | Width Across Flats (s), max | Drill Point Diameter (dp), max | | :--- | :--- | :--- | :--- | :--- | :--- | | | 1.1 mm | 2.8 mm | 6.3 mm | 4 mm | 2.3 mm | | ST 3.5 | 1.3 mm | 3.4 mm | 8.3 mm | 5.5 mm | 2.8 mm | | ST 3.9 | 1.3 mm | 3.4 mm | 8.3 mm | 5.5 mm | 3.1 mm | | ST 4.2 | 1.4 mm | 4.1 mm | 8.8 mm | 7 mm | 3.6 mm | | ST 4.8 | 1.6 mm | 4.3 mm | 10.5 mm | 8 mm | 4.1 mm | | ST 5.5 | 1.8 mm | 5.4 mm | 11.0 mm | 8 mm | 4.8 mm | | ST 6.3 | 1.8 mm | 5.9 mm | 13.5 mm | 10 mm | 5.8 mm |

Typically ranges from ST 2.9 to ST 6.3.

: When searching for the official document, you will not find an active "DIN 7504 K PDF." The current and active standard for the hexagon head screw formerly known as DIN 7504 K is DIN EN ISO 15480 . While distributors still use the "DIN 7504 K" designation for familiarity, any rigorous engineering or procurement application must refer to the ISO 15480 standard. The two are interchangeable, but ISO 15480 is the official, up-to-date version.

To further enhance durability and performance, a variety of surface coatings are applied, including: din 7504 k standard pdf

The standard also defined the maximum drilling capacity (f) for each screw size. For example, an ST 3.5 DIN 7504 K screw can reliably drill through a total material thickness of up to 2.25 mm, while a larger ST 5.5 can handle up to 5.25 mm.

**4.1.

DIN 7504 is a German standard (Deutsches Institut für Normung) for self-drilling tapping screws.