When people discuss green building, the spotlight usually falls on insulation, low-carbon concrete, recycled materials, high-efficiency glazing, or renewable energy systems. Yet as ESG standards, carbon disclosure requirements, and lifecycle-based procurement continue to reshape the construction industry, another category is quietly being reassessed: fasteners and building screws. This shift reflects a broader market reality. Sustainable construction is no longer judged only by whether major materials are labeled “green.” It is increasingly evaluated by whether the entire building system can deliver longer service life, lower maintenance demand, easier repair, reduced waste, and better compliance performance. In that context, the humble construction screw is no longer just a low-cost fixing component. It is becoming part of the larger conversation around durability, lifecycle value, and environmental responsibility. For buyers, project owners, architects, and contractors, this matters more than it may first appear. Screws are low-cost items individually, but they are used in very large quantities. Once issues such as corrosion, installation inefficiency, maintenance difficulty, or compliance gaps are multiplied across a full project, the consequences become significant in both operational and environmental terms.