Zinc

In cabinet hardware, 'zinc' refers to die-cast zinc alloy — a metal that can reproduce fine surface details such as knurled grips, fluted shafts, and figural reliefs accurately and consistently across large production runs. The visible finish is not the zinc itself but a plating or coating applied over it. The terms 'zinc' and 'zinc alloy' describe effectively the same thing in modern cabinet-hardware manufacturing and are often used interchangeably.

Plated finishes — such as brushed nickel, polished chrome, and satin brass — adhere to zinc through a multi-stage process: a copper strike layer first, then a nickel base, then the top finish. Powder-coated and painted finishes such as matte black sit on top of the metal rather than bonding chemically. Both types can last for years under normal cabinet-hardware use, though plating quality varies by brand, meaning two physically identical pulls in the same finish from different manufacturers can show different long-term color stability.

The key practical difference is patina: solid brass develops a living patina over time that shifts the metal's character, while zinc hardware cannot do this on its own — its visible character is entirely determined by the plating or coating. Zinc die-casting produces consistent, repeatable surface detail across large production volumes and is the dominant material in mainstream cabinet hardware; solid brass is chosen specifically by buyers who want that natural aging quality, and brands such as Century Hardware and Smedbo specialize in it.

Zinc covers the vast majority of mainstream cabinet hardware applications across modern, traditional, and transitional styles. The exceptions are projects where the material under the finish is itself part of the design intent: solid brass for a living patina, cast pewter for figural ornamental detail (used by brands such as Anne at Home and Notting Hill), or hand-fused glass for accent pieces (such as Aquila Art Glass and Sietto). For standard functional hardware in any finish, zinc construction is broadly appropriate.