Metalmech Engineering manufactures Metal Made Stop Plugs. Metal Engineering & Treatment Co is an ISO 9001:2000 certified company. The Company also manufactures various types of brass cable glands, brass fasteners, brass inserts and other brass components. The Metal Made Stop Plugs are used to terminate threaded entries and for fastening enclosure from either inside or outside. The Metal Made Stop Plugs are available in many sizes and shapes such as round head, hexagonal head and button type etc. The Metal Made Stop Plugs are made from brass, aluminum, steel, and stainless steel.