Standard taps are actually designed to cut new threads rather than chase existing ones. Every time you use a standard tap to chase a set of head bolt threads, for example, the tap will also remove ...

Few things seem more hopeless than when you’re in the process of removing a bolt, screw, or stud and it breaks. At that point, you know it’s all over but the crying. You’ve busted a bolt off in a ...

Few things disturb us more than the bewilderment of a broken bolt or seized pipe plug in a casting. You're at a loss for how to get the darned thing out. This is when you have to slow down and come up ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...