Din 7504 K Standard Pdf Portable | Authentic

The DIN 7504 K standard specifies requirements for hexagon head self-drilling tapping screws equipped with a flange or embossed washer. While the original DIN standard has been officially withdrawn, it remains widely used in the industry and corresponds directly to the international standard ISO 15480. Technical Specifications Summary

What is DIN 7504?

Core Hardness: Usually 270–390 HV to maintain structural integrity and prevent brittleness. din 7504 k standard pdf

Where to Obtain a Legitimate DIN 7504 K Standard PDF

As of this writing, the DIN 7504 standard has been partially withdrawn or superseded by ISO standards (specifically ISO 1478 for thread-forming screw threads and ISO 2702 for mechanical properties). However, the "K" point geometry is still widely referenced in technical drawings and industry norms.

The DIN 7504 K standard specifies the requirements for self-drilling tapping screws with a hexagonal head and an integrated flange (stamped washer). Often referred to as "Tek screws," these fasteners are engineered to drill, tap, and fasten in a single operation, eliminating the need for pre-drilled pilot holes in metal substrates. The DIN 7504 K standard specifies requirements for

Keep in mind that standards are subject to periodic updates, so ensure you're accessing the latest version.

Hexagon Head with Flange: The "K" in DIN 7504 K refers to the hexagonal head, which often includes a built-in washer or flange. This design provides a larger bearing surface, improving load distribution and preventing the head from pulling through the material. Core Hardness: Usually 270–390 HV to maintain structural

Example for M4 x 0.7 screw: