Dottie RW91 Washer, 3-1/2" 1/2" Reducing Washer

Streamline enclosure preparation with the Dottie RW91 reducing washer — designed to convert a 3.5 in knockout to 1/2 in quickly and reliably. This Dottie reducing washer is made from galvanized carbon steel to resist corrosion and provide durable protection for conduit, cables, and connectors used in security, surveillance and monitoring installations. Measuring 3.5" diameter and finished in galvanized steel, the RW91 delivers a neat, professional appearance while maintaining structural integrity in metal cabinets and sheet metal boxes. Installers and contractors benefit from reduced labor time and fewer field modifications thanks to its easy fit and compatibility with standard flat washer fasteners. Environmentally compliant (RoHS, Prop 65), the RW91 is ideal for CCTV, access control and network enclosure applications where dependable performance matters. Order RW91 reducing washers in packs of 10 to keep projects moving—perfect for retrofits, new builds, and ongoing maintenance of security and IT systems.

• Quickly adapts 3.5 in knockouts to 1/2 in, saving time and avoiding costly enclosure modifications
• Galvanized carbon steel construction resists corrosion for long-lasting security and surveillance installs
• Ensures a professional, snug fit in metal enclosures, cabinets, and sheet metal boxes for tidy cable management
• Simple, low-labor installation—compatible with standard flat washer fasteners to speed deployment
• Packaged in sets of 10 for job-site readiness and consistent inventory control