Devcon Plastic Steel Epoxy is a two-part, high strength, cold-welding epoxy for use on all types of metal repairs. Non-flammable and water-resistant, this epoxy contains a steel alloy that will not rust. Fills holes and repairs cracks in broken furniture, tools, appliances, toys, cars and more. Dries to a dark gray color, and once fully cured, it can be drilled, threaded, machined or filled. Bonds all metals including steel, stainless steel, aluminum, brass, iron, pewter, and copper with a tensile strength of 2500 PSI.