Heat. For years it’s been a mainstay in the mechanic’s repertoire for unsticking stuck things. From rusted nuts and bolts to pieces that once slipped smoothly together, there isn’t much a torch can’t ...

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Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Removing rusted or seized hardware can be one of the toughest parts ...

THE subject of the heat treatment of steel is one which during recent years has received a large amount of attention, and the results of numerous researches in England, on the Continent, and in ...