BS 4320 / DIN 125-1 Basic dimensions Form A washers for selected sizes

BS 4320 / DIN 125-1 Basic dimensions Form A washers for selected sizes

Nominal sizeInside diameter (d1)Outside diameter (d2)Thickness (s)
min.BS 4320 max.DIN 125-1 max.BS 4320 min.BS 4320 max.DIN 125-1 min.DIN 125-1 max.min.max.
M55.35.55.489.7109.64100.91.1
M66.46.76.6212.112.511.57121.41.8
M88.48.78.6216.61715.57161.41.8
M1010.510.910.7720.52119.48201.82.2
M1213.013.413.2723.52423.48242.32.7
M1617.017.417.2729.53029.48302.73.3
M202121.521.3336.23736.38372.73.3
M242525.525.3343.24443.38443.74.3
Dimensions in millimetres

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