Do wood screws have the same characteristics as machine screws?

• A. Sometimes
• B. False
• C. True
• D. Not always

Answer: (C)

Wood screws and machine screws are built for different tasks, so they don’t share the same characteristics. Wood screws have a tapered shank, coarser threads, and a sharp point that helps them bite into and pull wood fibers tight. They usually create their own threads in the wood and don’t require nuts or tapped holes. Machine screws, on the other hand, have a uniform diameter along the threaded portion, a blunt tip, and are meant to go into pre-threaded holes or nuts, relying on those metal threads for clamping. They also come in a variety of drive heads and thread pitches suited to metal rather than wood. Because of these distinct designs and uses, the idea that wood screws have the same characteristics as machine screws isn’t accurate, even though both are screws and use threads to fasten parts.