Stockist, Exporter, Supplier & Manufacturer Of Copper & Copper Alloys Threaded Tapered Tube Plugs. Copper & Copper Alloys Threaded Tapered Tube Plugs To Seal The Leaking Tubes In Heat Exchangers, Copper Tubes, Condensers, Boilers, Coolers.We Offer Copper Threaded Tapered Plugs.Heat Exchangers Copper Alloy Threaded Plug