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Hole Plugs

Cal Fasteners offers durable, high quality hole plugs from Heyco and Microplastics. Also known as bushings or snap plugs, these products are available in different styles that can convert raw-edged openings into smooth, insulated holes for electrical wiring or close unneeded panel holes and knockouts.
We stock electrical hole plugs in numerous styles and configurations, including locking, vented, and snap-in styles. A large selection of standard sizes is available, in both English and metric measurements.
Most hole plugs are manufactured from high strength nylon; other materials, including metals, alloys, and specialty plastics, may be available upon request (availability varies by model).
Please see individual product listings for full specifications.
Request a quote on hole plugs for your application, or contact Cal Fasteners to learn more.

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