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When inspecting a standard sheet metal screw, you may notice that it has sharp threads. All screws, of course, have threads. Consisting of helical ridges that extend fully or partially down the shank, they convert rotational force into linear force … Continue reading →

Do you know the difference between mitre and square cut cotter pin ends? Cotter pins are commonly used in machinery and mechanical assemblies. Also known as split pins, they consist of a U-shaped piece of metal with two prongs of … Continue reading →

Engine pylons play an important role in aviation. All airplanes have engines. Whether it’s a turbofan or turboprop, they are the main thrust-generating devices. Engines produce the forward force needed to overcome drag and move the airplane through the air. … Continue reading →

Ring terminals are used in many electrical systems. You can find them in automotive wiring harnesses, marine equipment, aircraft controls and more. As their name suggests, ring terminals feature a ring-shaped piece conductor that “terminates” the end of a wire. … Continue reading →

Fuel management is an important part of piloting an airplane. Whether commercial or civilian, practically all airplanes burn fuel for thrust. A typical Boeing 737 burns about a quarter-gallon of jet fuel per second, whereas larger airplanes like the Boeing … Continue reading →

Choosing the right drill bit is important. While they are all used to create holes in objects, some of them are better suited for specific materials than others. Cobalt and titanium drill bits, for instance, offer superior cutting power for … Continue reading →

A lot of work goes into assembling modern airplanes. A typical commercial airliner has millions of individual parts. Depending on the size, it can take anywhere from weeks to months to assemble them. While some of these parts are small, … Continue reading →

Contrary to common belief, not all screws have the same design. You can find them in different types, such as Type A and Type AB. They are still used to fasten objects, but there are subtle nuances between these two … Continue reading →

If you’re worried about a nut coming loose or falling off a bolt, you may want to use a castellated nut. Also known as castle nuts, they allow for a pin-based locking mechanism. Castellated nuts are used in conjunction with … Continue reading →