What are the three elements of a screw?

Jul 16,2024

The three main elements of a screw are:

Head: This is the top part of the screw that is typically wider and flatter than the rest. It usually has a specific shape to accommodate a screwdriver or other driving tool. Common types of screw heads include flat, Phillips, hex, and Torx.

Shank: The shank is the smooth, unthreaded portion of the screw located just below the head. Not all screws have a shank; some are fully threaded from the head to the tip. The shank helps with alignment and reduces the risk of splitting the material being fastened.

Thread: This is the helical ridge that wraps around the shaft of the screw. The threads are designed to convert rotational force into linear motion, allowing the screw to grip and hold materials together. The spacing, depth, and angle of the threads can vary depending on the screw's intended use.
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