The drawing said clear anodize. The bracket came back gold-brown, and the dimensions were off by just enough to matter. Neither is unusual when anodizing aluminum 7075 for aerospace applications without knowing exactly what to specify. This guide covers MIL-A-8625 type selection, the copper-content challenge, and the fatigue tradeoffs, so you can write a complete anodizing spec before the next RFQ. MakerVerse offers CNC machining and post-processing including anodizing for 7075-T6 parts: get a binding instant quote in minutes. The Topic in a Nutshell Copper is the complication: 7075’s 1.6% copper content disrupts oxide film formation, producing lateral porosity and color inconsistency that 6061 anodizers do not encounter. Three types, three use cases: MIL-A-8625 Type I (now in regulatory phase-out), Type II (structural and general), and Type III (wear-critical) each target a different application. Specifying the wrong one costs money or structural performance. Fatigue is a real tradeoff: A 10