Further information for Lapp 52104400 ZS-M25/21 intermediate coupling brass 6kt.
Adapter SKINDICHT® ZS-M 25X1.5/21, adapter, internal thread: PG 21, external thread: M 25, nickel-plated brass, areas of application: hexagonal intermediate socket from a metric external thread to a PG internal thread, housing, devices, machines, benefits: enables the use of PG accessories in metric threaded holes, assembly with open-end wrench