Hexagonal Reducers/ Stop Plugs can be used to close thread entries or means of sealing and stopping unused thread entries in flame proof enclosures. These Hexagonal Reducers allow a PG threaded gland to be terminated in enclosures with different entry thread form. These Hexagonal Reducers are made using aluminium alloy and galvanized steel with brass casting and offered in electro nickel plated finish. Hexagonal Reducers/ Stop Plugs are mainly designed to reduce the entry thread diameter of enclosures.