STRUCTURAL-GRADE METAL REPAIR Engineered for real structural repairs. Forms a rigid cold-weld bond designed for cracked metal components and load-bearing repairs where welding is impractical. PERFECT FOR GARAGE & AUTO REPAIRS Ideal for common garage fixes including radiator cracks, exhaust leaks, oil pan damage, pipe fittings, brackets, and tool components. DESIGNED FOR REPEAT DIY PROJECTS The 3-pack keeps you ready for multiple repair jobs around the garage, workshop, or vehicle maintenance projects. COLD WELD STRENGTH — NO HEAT REQUIRED A two-part epoxy system that cures into a rigid weld-like bond without flames, sparks, or welding equipment. HEAT RESISTANT UP TO 392°F & WATERPROOF Engineered to withstand demanding environments including heat exposure, water contact, and automotive fluids once fully cured. DRILLABLE, SANDABLE & PAINTABLE After full cure, the repair can be drilled, tapped, sanded, filed, or painted—allowing the repaired area to become part of the structure. STRONG BOND ON MULTIPLE MATERIALS Bonds steel, iron, aluminum, ceramic, fiberglass, rigid plastics, and wood—ideal for mixed-material repairs. CONTROLLED WORKING TIME Balanced working window allows careful positioning and alignment before curing, helping avoid rushed repairs. NO-SAG FORMULA FOR CLEAN APPLICATION Medium-viscosity formula stays where applied, making vertical or overhead repairs easier and cleaner. BUILT FOR SERIOUS DIYERS Designed for garage mechanics, hobby builders, and repair-focused DIY users who want dependable structural repair performance. Reliable Structural Repairs for Garage and Workshop Projects AOJEL S300 is a structural-grade two-part epoxy designed for repairing cracked or damaged metal components in automotive, garage, and workshop environments. Unlike instant adhesives designed for light bonding, S300 cures into a rigid structural repair body capable of restoring strength to many non-critical metal repairs. The balanced working time allows accurate positioning before curing, making it ideal for repairs that require careful alignment rather than rushed application. Common repair applications include radiator cracks, exhaust components, oil pan damage, metal brackets, tool housings, and machinery parts. After curing, the repaired area can be drilled, sanded, tapped, or painted, allowing the repair to integrate with the original structure. With three units included, the 3-pack is ideal for users who regularly perform repairs and want reliable epoxy on hand for multiple projects.