ISO Metric Nut Dimensions
ISO 4032 / DIN 934 Standard Metric Nut Dimensions
ISO Nut Dimension Guide

F (Across Flats): Distance between faces.
C (Across Corners): Distance between vertices.
H (Thickness): Height of the nut.
* Reference: ISO 4032 / DIN 934 Standard
C (Across Corners): Distance between vertices.
H (Thickness): Height of the nut.
* Reference: ISO 4032 / DIN 934 Standard