DIN 557 Square Nuts Standards Table and Weight Chart

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  • Steel:
  • Stainless: A 2, A4

Terminology and Measurements

  • m – the height of the nut
  • d – the nominal diameter of the thread
  • s – size square
  • MW – 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