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The GIBRALTAR 23090.0008 is a standard coupling nut designed to join two externally threaded fasteners along a common axis. Manufactured from Grade 10 steel with a black phosphate coating, this nut provides corrosion resistance and a consistent finish suited for industrial and mechanical assembly applications. It features an M8x1.25 right-hand thread, an overall length of 24mm, a 13mm width across flats, and a 15mm width across points. It meets DIN 6334 dimensional standards, making it a reliable choice for precision fastening work in fabrication, maintenance, and equipment assembly environments.
This coupling nut is used in threaded rod extensions, stud connections, and fastener lengthening applications across manufacturing, construction, and mechanical maintenance settings. Its elongated hex body provides full thread engagement across the joint, distributing load evenly between two mating threaded members. Licensed trades and skilled maintenance technicians commonly install these in structural, equipment, and utility fixture assemblies where a standard M8 coarse-pitch thread is specified.
Designed as an OEM-style replacement and standard-use coupling nut compatible with M8x1.25 right-hand threaded rod, studs, and bolts conforming to DIN 6334 specifications.
Install using a standard metric wrench or socket sized to 13mm across flats. Power down or de-energize any associated equipment before performing fastener work in electrical or mechanical enclosures. Thread engagement should cover the full interior length of the nut on both sides for proper load transfer. Follow applicable industry standards and torque guidelines specified by the equipment manufacturer or governing project specifications.
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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