Dottie RW21 3/4 in. 1/2 in. Reducing Washer

For contractors and integrators who need quick, reliable knockout resizing, the Dottie RW21 reducing washer delivers a fast, durable solution. This reducing washer converts 3/4 in. knockouts to 1/2 in., providing a clean, secure opening for conduit, cable glands, and fittings commonly used in security, surveillance and monitoring installations. Constructed from carbon steel, the RW21 stands up to the rigors of commercial and industrial environments while protecting cables and connectors from wear and movement.

Each pack contains 100 reducing washers (model RW21), making it easy to support multi-site deployments or high-volume cabinet builds without frequent reordering. The washer’s simple, tool-friendly design speeds installation and reduces site labor compared with cutting or custom modification of enclosures. Use it in electrical cabinets, sheet metal boxes, control panels and rack enclosures to maintain code-compliant, professional cable management in security and network systems. Order Dottie RW21 reducing washers to streamline your enclosure builds and ensure dependable knockout reduction on every job.

• Speeds installation by converting 3/4 in. knockouts to 1/2 in. instantly, reducing on-site labor and rework
• Provides a secure, flush fit for cabling and fittings in enclosures used for security, surveillance and monitoring systems
• Built from carbon steel for lasting strength and corrosion resistance in demanding commercial environments
• Supplied in a pack of 100 to support large projects and minimize restocking for contractors and integrators
• Easy, tool-friendly installation eliminates the need for custom punch work or adapter assemblies
• Ideal for electrical cabinets, sheet metal boxes and rack enclosures where reliable knockout reduction is required