Din 7504 K Standard Pdf !!install!! -

Varies by screw diameter; for example, a 4.8mm diameter screw can typically drill through steel up to 3–4mm thick. Common Dimensions Description Nominal Diameters Range from ST 2.9 to ST 6.3. Head Width (Across Flats)

DIN 7504 K specifies requirements for hexagon head self-drilling screws with a tapping screw thread and a flange (integral washer) din 7504 k standard pdf