Din 7504 K Standard Pdf _hot_
Securing internal panels, flooring, and brackets to vehicle chassis. 6. Installation Best Practices
Corrosion resistance is crucial for maintaining structural integrity over time. DIN 7504 K screws are available in several surface treatments:
The primary advantage of these self-drilling screws is the elimination of a separate pre-drilling operation, which dramatically increases assembly speed and reduces labor costs. They are the go-to fastener for connecting:
Push firmly in a straight line aligned with the screw axis until the drilling phase is complete.
Understanding the precise dimensions of a DIN 7504 K screw is crucial for correct application. The table below outlines the primary dimensions for standard sizes (ST 2.9 to ST 6.3), based on the standard's technical data. din 7504 k standard pdf
The DIN 7504 K standard guarantees that hexagon head self-drilling screws deliver predictable mechanical performance, precise dimensions, and efficient drilling times. Utilizing an official PDF datasheet ensures your assembly lines, building projects, and structural connections stay safe and standardized.
The updated international equivalent is ISO 15480 .
Both designate a hexagonal washer head with a self-drilling point. 6. Accessing the DIN 7504 K Standard PDF
Do you need information on the recommended torque values for these screws? Securing internal panels, flooring, and brackets to vehicle
The total thickness of the hexagonal head, including the flange.
The integrated flange provides a larger bearing surface to distribute the load. Thread Size Width Across Flats (s) Head Height (k max) Washer Diameter (dk max) ST 3.5 ST 4.2 ST 4.8 ST 5.5 ST 6.3 Data compiled from various technical datasheets. 2. Drilling Capacity
Securing internal frames, brackets, and body panels.
While not a substitute for the full legal standard, many manufacturers and distributors provide detailed, that contain the essential dimensional and performance information for specific DIN 7504 K screws. These are invaluable for everyday design and verification work. DIN 7504 K screws are available in several
The thread design forms its own mating threads within the drilled hole.
Contains molybdenum, making it ideal for marine environments and chemical processing plants.
Crucial Engineering Note: Pure stainless steel cannot be case-hardened to cut through structural carbon steel. Therefore, high-performance stainless DIN 7504 K screws are often manufactured as —featuring an A2/A4 body welded to a hardened carbon steel drill point. Surface Protective Coatings
DIN 7504 K is formally withdrawn but still very widely used in industry.
To maximize the performance of DIN 7504 K fasteners and avoid tool or material failure, adhere to the following installation guidelines:
. While it sounds like a technical serial number, it is actually one of the most reliable standards for self-drilling screws with a hexagonal head.