CFT/CAT Knurled 3600 Swagging Series ~ The CFT/CAT series offers one rivet nut for materials of any thickness greater than .030 inches. Cadmium Free finish allows the CFT Series to be used in any industry, including automotive. Designed to be used in metal applications. *CFT and CAT rivet nut styles are dimensionally the same. CFT is Cadmium Free and RoHS Compliant.