Which type of threads do water hose fittings typically have?

Water hose fittings typically utilize left-handed threads. This design is intentional to prevent accidental disconnection during use, as left-handed threads are less common than right-handed threads. As a result, the left-handed thread ensures that connectors remain secure when subjected to the twisting and pulling associated with water hoses.

The convention for water hoses and fittings aims to provide ease of operation and safety. Using a non-standard threading system helps reduce the risk of cross-threading with more common right-handed fittings, which could lead to improper connections and leaks. Therefore, when dealing with water hose fittings, it's crucial to recognize the significance of left-handed threads in maintaining the integrity of the connection.