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What joins a mortise cylinder to a mortise lock?

  1. Bolts and nuts

  2. Threads on the cylinder and a set screw

  3. Welding and adhesives

  4. Locking pins and brackets

The correct answer is: Threads on the cylinder and a set screw

The connection between a mortise cylinder and a mortise lock is accomplished through threads on the cylinder and a set screw. The threads on the cylinder allow it to be securely screwed into the mortise lock, providing a stable and reliable attachment. Additionally, the set screw serves to further secure the cylinder in place, preventing it from being easily removed and ensuring that the locking mechanism functions correctly. Understanding this mechanism is crucial for locksmith professionals, as it highlights the importance of proper installation and security. The threaded connection ensures that the mortise cylinder is firmly anchored, which is vital for maintaining the overall integrity of the lock system in various applications.