The hex head self-tapping screw was invented in the late 19th century by Robert Bosch. The idea was to create a screw that could be driven into wood or metal with minimal effort, making it a popular choice for home improvement projects and industrial applications. The hex head design allows the screw to grip the material it's being driven into, providing a strong bond without the need for a separate nut or washer.
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2025-08-14 02:56
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