Unlike general hardware, aviation fasteners are tightly regulated. Every bolt, nut or pin used in aircraft maintenance must meet strict aerospace standards, covering not just dimensions, but also material properties, coatings and strength. There’s no room for substitutes. Incorrect parts or missing documentation can halt a repair and trigger compliance issues. That’s why all fasteners used in MRO (maintenance, repair and overhaul) — whether for scheduled checks or urgent fixes — need to be fully traceable and correctly certified. From aerospace-grade steel components to lightweight titanium alternatives, materials matter. And so does the paperwork. The Real Reason MRO Teams Get Delayed Most MRO operations are efficient, but the fastener supply chain often isn’t. When maintenance is held up, it’s rarely