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The J-B Weld 50165 Original Cold Weld 2-Part Epoxy Syringe delivers industrial-grade bonding strength in a convenient, ready-to-use format. This two-part epoxy sets overnight, reaches full cure in 15–24 hours, and withstands up to 6,220 PSI of tensile stress and temperatures as high as 550°F—making it one of the most reliable cold-weld solutions available for both professional repairs and demanding household applications.
The J-B Weld 50165 is a two-part, cold-weld epoxy adhesive that mixes at a 1:1 ratio to form a permanent, metal-strength bond without heat or welding equipment. Once cured, the hardened material can be shaped, filed, sanded, tapped, or drilled—just like real metal—making it ideal for precision repairs across a wide range of surfaces.
The J-B Weld 50165 Original Cold Weld Epoxy bonds to a wide range of materials, including:
The J-B Weld 50165 is suited for repairs where conventional welding is impractical or unavailable. Common applications include:
Q: How long does J-B Weld 50165 take to fully cure?
A: The J-B Weld 50165 sets overnight and reaches full cure within 15–24 hours, depending on temperature and humidity conditions.
Q: Can J-B Weld 50165 withstand high temperatures?
A: Yes. Once fully cured, the J-B Weld 50165 bond withstands continuous temperatures up to 550°F (288°C), making it suitable for engine and exhaust-adjacent repairs.
Q: Can the cured epoxy be machined or shaped?
A: Yes. After curing, the hardened material can be filed, sanded, drilled, tapped, or shaped just like metal, allowing for precise, custom-fit repairs.
The standard shipping time for orders shipped via UPS ground is 2-5
days, depending on the destination. Please read our Shipping Policy for full details.
