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The VALUE COLLECTION A996671 is a metric coarse coupling nut designed to join or extend threaded rod, all-thread, and bolts with an M5x0.80 thread profile. Manufactured from steel with a zinc-plated finish, this coupling nut provides corrosion resistance in typical indoor and light industrial applications. The right-hand thread direction and DIN 6334 standard ensure dimensional consistency for reliable engagement. With an overall length of 15mm and an 8mm width across flats, the nut is compact and sized for use with standard M5 metric hardware. Each package contains 10 pieces, making it practical for jobs requiring multiple connections or for stocking a service vehicle or shop.
Metric coupling nuts in the M5x0.80 size are commonly used by electricians, HVAC technicians, plumbers, and millwrights when installing threaded rod assemblies for pipe hangers, equipment supports, electrical conduit supports, and general fastening applications. The DIN 6334 standard is widely recognized in metric hardware, making this nut a straightforward fit in European-spec equipment maintenance as well as domestic trade work that calls out metric fasteners.
Designed for use with M5x0.80 metric coarse threaded rod, studs, and fasteners conforming to DIN 6334 specifications. Suitable for standard metric hardware applications across HVAC, plumbing, electrical, and general mechanical trades.
Coupling nuts are installed by hand-threading onto both ends of the fasteners being joined, then tightening with an 8mm wrench or open-end spanner across the flats. Ensure both mating threads are clean and free of debris before assembly. Do not overtighten on light-gauge threaded rod, as thread stripping can occur. Follow applicable mechanical and structural codes for the specific application where the coupling nut is used.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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