long nut
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High Tensile Zinc Plated Hex Coupling Long Nut
A long nut, or coupling nut, is a cylindrical fastener with internal threads running its entire length, longer than standard nuts. It’s mainly used to connect two threaded components (bolts, studs, rods) end-to-end, extending or joining them. Ideal for adjustable connections, it’s widely used in construction, machinery, and plumbing, often made of steel or stainless steel.
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