J-B Weld Original Cold Weld Adhesive 2 oz. is the time-tested, two-part steel-reinforced epoxy that delivers permanent, steel-strong repairs on metal and a wide range of other surfaces. Mixed at a precise 1:1 ratio, this gray adhesive sets in 4–6 hours and reaches full strength in 15–24 hours. Once cured, it can be shaped, tapped, filed, sanded and drilled—making it ideal for everything from household fixes to automotive, marine and plumbing repairs.

Whether you’re bonding concrete, metal, wood or glass, J-B Weld Original stands up to shock, vibration and extreme temperature swings—withstanding up to 500 °F—and resists water, petroleum, chemicals and acids.

Key Features

• Steel-reinforced, two-part epoxy system
• Bonds to cinder block, concrete, tile, brick, metal, glass, woodwork and more
• Sets to a dark gray color in 4–6 hours; full cure in 15–24 hours
• 5020 PSI tensile strength; 10 733 PSI compressive; 7320 PSI flexural
• Waterproof, petroleum-, chemical* and acid-resistant
• Resists shock, vibration and extreme temperature fluctuations (up to 500 °F)
• Can be shaped, tapped, filed, sanded and drilled after curing

⚠️ WARNING: This product can expose you to Titanium dioxide known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.