Rivet Size Calculator

Calculate recommended AN rivet diameter, part number, spacing, grip length, and tooling for aircraft sheet metal repairs.

Material Parameters

Top Sheet Thickness (in)

Bottom Sheet Thickness (in)

Repair / Crack Length (in) — optional

Material

Rivet Head Style

AN470 UniversalAN426 Countersunk

Rivet Alloy

Enter top and bottom sheet thicknesses to calculate rivet specifications.

Important Disclaimer

This tool is provided for educational and reference purposes only. Always verify all calculations against FAA-approved maintenance manuals, aircraft documentation, and applicable regulations. Never use web-based tools as the sole basis for airworthiness decisions.