The legendary J-B Weld Original Cold Weld is the strongest repair system for metal surfaces. This two-part epoxy provides a bond so strong it can be used as an alternative to torch welding. It is reinforced with steel to provide a tensile strength of 5020 PSI and can withstand temperatures up to 287°C (550°F). Once fully cured, it can be drilled, tapped, filed, sanded, and painted. It is the go-to solution for cracked engine blocks, leaking radiators, and stripped threads where a permanent, industrial-strength fix is required.
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