Din 7504 K Standard Pdf ((free)) Now
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
This determines the socket or wrench size needed. For example, ST 4.8 and ST 5.5 typically use an 8mm driver, while ST 6.3 uses a 10mm driver. din 7504 k standard pdf
Measured from the base of the flange to the top of the hex head. The integrated flange provides a larger bearing surface