Dorfit Outside Trim Lock, DT566-BK, Zinc Alloy, 72MM Dia, Black

The Dorfit Outside Trim Lock DT566-BK is a precision-engineered door hardware component designed to provide secure exterior access control with reliable performance and refined aesthetics. Constructed from high-quality zinc alloy with a sleek black finish, this outside trim lock delivers excellent mechanical strength, corrosion resistance, and long-lasting durability — making it suitable for a wide range of residential, commercial, and institutional door systems where robust keyed entry and stylish appearance are essential. Featuring a 72mm diameter trim profile, the DT566-BK combines structural resilience with clean, modern lines that enhance the visual appeal of exterior doors and access points. The durable zinc alloy construction ensures consistent performance and resistance to environmental wear, helping to maintain the lock’s integrity and appearance over extended use, whether installed in high-traffic public settings or everyday home applications. The outside trim lock serves as the external access component of a complete door locking assembly, typically paired with compatible lock cases or exit devices to provide secure keyed entry from the outside. It is engineered to operate smoothly with the lock mechanism, delivering dependable engagement and reliable key action that enhances user confidence and prolongs service life. Internally, the trim lock incorporates precision-manufactured components that ensure consistent, responsive key operation, reducing wear and providing dependable performance through repeated use. The controlled fit of internal parts and carefully calibrated tolerances contribute to smooth, reliable action and enhance the overall durability of the locking system. Its combination of robust zinc alloy construction, precision engineering, and elegant black finish makes it an excellent choice for architectural hardware applications where performance, durability, and visual appeal are equally important.