Schraubstock

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A screw rod, also known as Schraubstock in German, is a long, slender metal object used for fastening or tightening purposes. It has a helical ridge called the thread along its length that engages with a corresponding female thread on another object to create a strong connection. Screw rods come in various lengths and materials, including stainless steel and brass, and are commonly found in construction, automotive, and household applications.