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The GIBRALTAR G-02RC43216 is a hex-shaped clamp washer designed to distribute clamping load evenly across fastened surfaces. With a 1/2-inch nominal size and an overall height of 0.16 inches, this washer is suited for use in mechanical assemblies, HVAC mounting applications, plumbing fixture installations, and general trade work where a hex-profile washer is specified. The hex geometry helps resist rotation during tightening and provides reliable contact area for bolt or nut seating. Each package contains two washers, making it a practical unit for service techs and installers carrying standard fastener stock.
This washer is applicable across a range of trade installations where fastener retention and load distribution are priorities. Common use cases include equipment mounting brackets, pipe clamp assemblies, and sheet metal or structural connections encountered in residential and light commercial HVAC, plumbing, and electrical work. The compact 0.16-inch height keeps the overall fastener stack-up low in tight clearance areas.
Designed as a standard hex clamp washer for use with 1/2-inch fasteners in mechanical, HVAC, plumbing, and electrical mounting assemblies where a hex-profile washer is required.
Installation is performed by the appropriate licensed trade technician based on the application — HVAC mechanic, plumber, or electrician. Before working on any equipment, de-energize electrical systems and shut off fluid supply lines as applicable. Use calibrated torque tools appropriate to the fastener specification for the assembly. Follow applicable codes including NEC, IPC, or IFGC as relevant to the system being serviced.
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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