CAD or ZINC Plating?

Contributed By: Carl Beck, IZCC #260

The Purpose Of This Page:

To present the findings of a laboratory analysis done on a sampling of nuts, bolts, fasteners and smalls parts, all OEM to the Datsun 240Z. This was done in order to scientifically determine what type of sacrificial coatings were applied to them 56 years ago- Cadmium or Zinc?

Last Updated 14 March 2026

Pictured below: 22 samples from body, engine, suspension components set for analysis.

Note: In the images below, the last number is the associated Part Number in the following analysis reports.

Pictured Below: Lab summary / Interpretation report:

Summary Interpretation: