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UNC Thread & Nut Dimensions

ANSI/ASME B18.2.2 Standard Nut Dimensions

Select Nut Size (UNC)

Nut Dimensions

Across Flats (F) Max/Min
–
Across Corners (C) Max/Min
–
Thickness (H) Max/Min
–

Thread Data

Threads Per Inch (TPI)
–

Weight Estimation

Weight per 100 Pcs
– kg

Nut Dimension Guide

F (Across Flats): Distance between parallel faces.
C (Across Corners): Distance between vertices.
H (Thickness): Overall height of the nut.
* Reference: ASME B18.2.2 Standard