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The THOMAS BETTS AB-241-3/8 is a steel square washer designed for use with strut channel and unistrut framing systems. It provides a broad bearing surface at bolt connection points, distributing load evenly across the strut face to prevent pull-through and maintain structural integrity. The washer is sized for a 3/8 inch bolt and is manufactured from steel for durability in both indoor and light commercial framing applications. Licensed electricians, mechanical contractors, and general tradespeople install this hardware as part of larger strut-based support assemblies for conduit, pipe, duct, and equipment.
This square washer is used wherever a Thomas Betts strut channel system requires a secure, load-distributing connection at a 3/8 inch bolt point. It is suited for residential and commercial applications including electrical conduit support, mechanical piping hangers, HVAC equipment mounting, and general framing assemblies that rely on channel strut infrastructure. It also cross-references to Unistrut part number P1063 and B-Line part number B201 for easy identification across procurement systems.
Designed for use with Thomas Betts strut channel and framing systems using 3/8 inch bolts. Also cross-references to Unistrut part number P1063 and B-Line part number B201.
This washer is typically installed by electricians, mechanical contractors, or pipefitters as part of a strut channel assembly. De-energize any nearby electrical systems before working in the area and follow applicable NEC or IPC guidelines for support spacing and load ratings. Use appropriately sized wrenches to achieve a firm, snug connection without deforming the washer or strut. Inspect the washer and mating hardware for corrosion or damage before installation.
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