Din 7504 K Standard Pdf Direct

DIN 7504 K

The 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

Example for M4 x 0.7 screw:

Scope of Application

The DIN 7504 K standard PDF typically includes the following sections: din 7504 k standard pdf

• DIN 7504 C: The "C" stand for a dog point (cylindrical pilot). This is used for thicker materials where a full diameter pilot is needed before thread forming begins.
• DIN 7504 K: The cone point is for thinner materials (sheet metal). The cone centers the screw and gradually increases the thread-forming diameter.
• DIN 7500: This standard covers thread-cutting screws (with chip flutes). Do not confuse forming (DIN 7504) with cutting (DIN 7500). Cutting removes material; forming displaces it.
• ISO 1478: This is the international version for self-tapping screw threads, but it does not specify the "K" point geometry in the same detail.

The DIN 7504 K standard is important for several reasons: DIN 7504 K The standard specifies the dimensions,