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The ABB B9145/8 is a square insert nut designed for use with strut channel framing systems. It seats into the open slot of standard steel strut channel, providing a secure threaded anchor point for bolts, threaded rod, and hardware used in pipe, conduit, cable tray, and equipment support assemblies. The 5/8-inch thread size suits heavy-duty fastening applications common in commercial and industrial installations. Electricians, pipefitters, and mechanical contractors rely on this type of hardware when assembling strut-based support structures.
Square insert nuts are a standard component in strut channel installations across commercial, industrial, and utility environments. They are used wherever threaded connections must be made to unistrut-style slotted channel, including conduit hangers, pipe clamps, equipment mounting brackets, and seismic bracing assemblies. The 5/8-inch thread makes this fitting appropriate for larger structural support applications requiring higher load-bearing fasteners.
Designed as an OEM-style replacement insert nut for use with standard slotted strut channel framing systems accepting 5/8-inch threaded fasteners.
Installation is performed by electricians, pipefitters, or mechanical contractors working with strut channel support systems. De-energize any nearby electrical equipment before working in the immediate area. Slide the square insert nut into the channel slot and rotate or seat it per standard strut assembly practice before applying the mating bolt or threaded rod. Installations in commercial or industrial settings should conform to applicable NEC or local mechanical code requirements for support spacing and load ratings.
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