A differential screw, also known as a differential screw mechanism, is a type of mechanical device used to achieve very fine adjustments. It is commonly used in precision instruments such as micrometers, telescopes, and laboratory equipment. The differential screw works by having two threaded screws that are engaged together, allowing for small movements to be amplified and controlled with great precision. ### Key Features: 1. **Dual Threaded Screws**: A typical differential screw consists of two screws with different pitch threads.
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