J-B Weld Original Cold-Weld Steel Reinforced Epoxy

J-B Weld Original Cold-Weld Steel Reinforced Epoxy is a professional-grade, two-part adhesive that provides a powerful and permanent bond for metal and multiple other surfaces. Once fully cured, it creates a steel-reinforced connection that can withstand extreme heat, pressure, and vibration. Ideal for automotive, plumbing, marine, and household repairs, this versatile epoxy works on metal, wood, plastic, ceramic, concrete, and fiberglass. It sets in 4–6 hours and cures completely in 15–24 hours to a dark grey finish that can be drilled, tapped, machined, sanded, or painted. J-B Weld’s cold-weld technology eliminates the need for torch welding, providing a safer, easier alternative for durable, high-strength repairs. Resistant to water, petroleum, and chemicals, it delivers industrial-level performance in any environment. Perfect for fixing engine parts, exhaust systems, tools, or household items, J-B Weld Original has earned a reputation as “The World’s Strongest Bond.” Trusted by professionals and DIYers alike, it ensures long-lasting, steel-tough results every time.