External Stainless Steel Hinges are made of high-quality stainless steel, with an overall size of 102×76.2mm, a thickness of 3mm, a shaft diameter of Φ16, and a spiral cutting transition design. The installation hole spacing strictly complies with international standards and is precisely distributed at a spacing of 25.4mm. Combined with the 8.65mm countersunk hole design, it ensures a stable and reliable installation. It is widely used in courtyard gates, outdoor doors and windows, and various external facilities that require durable support.