The Calmark Birtcher part CCKJ01-CD is a top-quality conduction cooled key designed for efficient and reliable electrical connections. With a CD keying configuration, this gold chem film-coated key ensures optimal conductivity and protection against corrosion. The fixed connector on the 01 connector end boasts a thread size of 2.55mm x .45, providing a secure and durable connection. Crafted from high-grade aluminum alloy, this conduction cooled key guarantees exceptional performance and longevity in various industrial applications.