Double locking male fixed metal connectors. Made of nickel plated brass, the special structure of the connector provides double locking of the polyamide conduit and braided metal protective sleeving, guaranteeing an IP68 waterproof rating. An O-ring already lodged in the special seat guarantees the degree of protection also for the threaded coupling. Using the components of the connectors for flexible metal conduits, this solution offers a wide range of versions and threads (fixed or swivel type, connection to rigid conduit, male or female thread). metric ISO thread in compliance with Standard CEI EN 60423.