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Twin Thread Screws

For various purposes, twin threaded and single threaded screws are both available. The ridged groove that spirals around the body of a screw and is intended to cut through the material is called the thread.

Twin thread screws feature two threads instead of one, which allows them to be driven or removed twice as quickly. Single thread screws have one continuous thread extending from the head toward the pointed tip. Double threads might offer a stronger fastening.

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