Integrated design
Built-in flange washer eliminates the need for separate washers, improving assembly efficiency.

DIN 6928 defines hexagon washer head self-tapping screws (also known as hexagon head self-tapping screws with a collar)—a standard that has since been superseded by the international standard ISO 7053.
These screws feature an integrated flange (collar/washer) at the head, eliminating the need for a separate washer; this design effectively increases the load-bearing surface area and helps prevent loosening, making them widely used for fastening and joining thin sheet metal, plastic, and wood.


Built-in flange washer eliminates the need for separate washers, improving assembly efficiency.
Larger bearing surface increases friction and stability, preventing loosening under vibration
Forms or cuts threads directly in pre-drilled holes or thin sheet metal, no pre-tapping required.
DIN 6928 screws are self-tapping screws that require a pre-drilled hole before installation. DIN 7504 screws are self-drilling screws with a drill point that can drill and tap in a single operation.
Yes. Stainless Steel 304 and 316 versions offer excellent corrosion resistance for outdoor and humid environments. Surface-coated carbon steel options are also available for enhanced protection.
Yes. A properly sized pilot hole is required before installation. The screw then forms its own threads as it is driven into the material.
They are commonly used with pre-drilled metal sheets, aluminum panels, plastics, and thin wood components.



