The DIN 7504 K standard specifies the dimensions, mechanical properties, and technical requirements for hexagon head self-drilling screws with a collar (also referred to as a flange). These screws are designed to drill their own pilot hole and form their own mating thread in a single operation, typically used for joining metal-to-metal or metal-to-wood. Key Specifications of DIN 7504 K
The DIN 7504 K standard is widely used in various industries, including: din 7504 k standard pdf
Look for a smooth, tapered cone at the tip (no flutes, no drill flutes). The cone length is roughly 1.5 to 2 times the thread pitch. There is no cutting edge. The DIN 7504 K standard specifies the dimensions,
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