An M12 cable gland is a type of cable management device designed to provide cable entry and protection for cables with an approximate diameter that is suitable for M12 threading. The "M12" designation refers to the metric thread size of the cable gland. These cable glands are commonly used to secure and protect cables as they pass through openings in enclosures, junction boxes, or equipment.

M12 cable glands are commonly used in various industries and applications, including industrial automation, robotics, electronics, and more. Properly selected and installed cable glands play a significant role in the safety and functionality of cable installations.