DIN 557 Square Nuts Standards Table and Weight Chart Click the Button to Download DIN 557 Square Nuts Standards Table and Weight Chart in PDF Format DIN 557 PDF Steel: –Stainless: A 2, A4 Terminology and Measurements m – the height of the nutd – the nominal diameter of the threads – size squareMW – height dPdwemmwsweight Threadmin.max.min.Nominal size max.min.min.Nominal size max.min.Kg/pc M50.86.711.39.9343.522.587.641.31 M618.714.112.5354.523.2109.642.77 M81.2511.518.416.346.55.924.11312.575.5 M101.514.522.620.2487.425.21615.5710.7 15.52421.540001716.5713 M121.7516.525.422.84109.426.61817.5716.3 17.226.924.020001918.4819.1 M1622233.930.111312.38.62423.1638.2