Hex Flange Head Self-Tapping Screws (Washer-Style Head)
DIN 6928 – UNI 6950

Thread and Pitch


DIN 6928 self-tapping screws, compliant with UNI 6950, feature a self-tapping thread extending along the shank, designed to form its own mating thread in the material during installation. This configuration allows fast and precise penetration into sheet metal, light metals, and, in certain cases, plastic or wood, eliminating the need for pre-threading and reducing assembly time. The thread geometry ensures high holding strength, good pull-out resistance, and reliable long-term fastening stability.


Head Type


The hex head with integrated flange (washer-style head) is designed to distribute the tightening load evenly over a larger bearing surface compared to a standard hex head. The flange acts as a built-in washer, increasing the contact area, improving fastening stability, and reducing the risk of surface damage. This design enables optimal load distribution and ensures secure tightening, even in applications subject to vibration.

Applicable regulations

DIN 6928

UNI 6950

Description and Applications

Hex flange head self-tapping screws DIN 6928 – UNI 6950 provide a versatile and reliable fastening solution for a wide range of applications.

They are widely used for:

  • Assembly of panels and metal structures


  • Light metal fabrication


  • Mechanical applications


  • Electronic devices

  • Construction and automotive sectors

Thanks to their strength, ease of installation, and integrated washer design, they offer an efficient and durable fastening solution, ensuring fast assembly and long-term performance.


Material and Finish


DIN 6928 self-tapping screws are typically available in:

  • Hardened zinc-plated steel (white), for standard applications with good corrosion resistance

  • Stainless steel (upon request), for humid or moderately corrosive environments

The selected materials ensure high mechanical strength and effective protection against corrosion and oxidation, making these screws suitable for both indoor and outdoor use.

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