Versatile for daily repairs, car repairs, drilling machines, and related tasks. Restores damaged threads; ideal for engine and other automotive applications. Applications for steel, cast iron and aluminum. Key benefits Restores damaged threads quickly, reducing downtime and avoiding unnecessary part replacement Broad compatibility with common metals used in automotive and workshop projects Supports engine and other automotive tasks as well as general maintenance and drilling machine work Practical uses Automotive : rethread damaged threads in engine blocks, cylinder heads, or mounting points to secure bolts and components reliably Metalworking and home : rethread damaged holes in steel brackets, cast iron parts, and aluminum components to restore fit and strength Drilling machines and workshop maintenance: worn threads on drill presses, chucks, and adapters to maintain accuracy and safety