DIN571 Hex Head Wood Screws

        DIN 571 
        b = Minimum length of thread 0.61
        *All measurements in millimeters (mm)* 

        d s e k
        M5 8 8.63 3.5
        M6 10 10.89 4
        M8 13 14.20 5.5
        M10 17 18.72 7
        M12 19 20.88 8
        M16 24 26.17 10

         All information is strictly informative