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The GIBRALTAR G-02RC45216 is a hex clamp washer designed for use in mechanical fastening applications where a hex-shaped bearing surface is required. The hexagonal profile distributes clamping load evenly and resists rotation during tightening, making it well suited for plumbing, HVAC, and general mechanical assemblies. Each washer measures 13/16 inches across and has an overall height of 1/4 inch. This part is sold as a package of two units. Licensed tradespeople and maintenance professionals working on trade installations rely on this style of washer where standard round washers are not appropriate for the fastening geometry.
This hex clamp washer is applicable in residential and light commercial settings wherever a secure, rotation-resistant clamping surface is needed. Typical applications include pipe clamps, conduit fittings, and structural fastening assemblies in HVAC, plumbing, and electrical installations. The two-piece package quantity suits single-point repairs as well as paired fastener installations on common trade jobs.
Designed as an OEM-style replacement or supplemental component for hex clamp assemblies in plumbing, HVAC, and electrical fastening applications requiring a 13/16 inch hex washer form factor.
Installation is performed by licensed plumbers, HVAC technicians, or electricians depending on the assembly involved. De-energize electrical circuits and shut off fluid supply lines before disturbing any fastened connection. Use the appropriate hex driver or wrench matched to the 13/16 inch hex profile to avoid rounding the washer. Follow applicable NEC, IPC, or IFGC guidelines for the specific 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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