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778 Series solid brass circle backplate gives you a compact 5/8 inch diameter bearing surface behind a pull, so the load spreads onto the cabinet face instead of concentrating at a single point. The solid brass construction provides a hard, stable base under the pull, which helps the handle sit flat against the surface for a cleaner fit. The aluminum finish on the brass creates the look of aluminum while keeping the weight and machining characteristics of brass, which matters when matching metal tones across a project. With a projection of 1/16 inch, this backplate adds only a slight stand-off from the door or drawer front, so handle reach and ergonomics stay almost unchanged. The 778 Series classification and Colonial Bronze Company branding identify it as part of a coordinated decorative hardware line, which helps maintain a consistent style on jobs that mix multiple components.
This solid brass circle backplate is specified at 5/8 inch width, which describes the overall diameter of the round plate and defines how much of the cabinet face it will cover around the pull base. The 1/16 inch projection sets the stand-off from the surface, giving a predictable stack height when combined with the pull base thickness. The SAP description "PULLBASE, NAT ALUMINUM" and the Handles and Pulls product class show that it is intended to sit under a pull or handle, so the mounting screw passes through the pull, through this plate, and into the substrate in a straight line.
This 778 Series solid brass circle backplate is part of the Decorative Hardware & Moldings, Handles and Pulls category, so it is designed to sit under knobs or pulls on cabinet doors and drawers. The 5/8 inch diameter works well wherever a compact yet visible base is needed behind the pull, such as on face-frame cabinets or narrow drawer fronts. The aluminum finish helps it coordinate with aluminum-tone handles, keeping the transition between pull base and plate visually consistent across multiple fronts. As a Colonial Bronze Company component with part number 778-28, it aligns with projects that specify this manufacturer line for a unified decorative hardware look.
The 1/16 inch projection of this backplate provides a thin but defined layer under the pull base, which helps installers predict total hardware stack height when planning reveals and door clearances. The solid brass material under the aluminum finish gives the drill point a firm registration surface around the fastener location, which supports a solid feel when tightening the pull. The 5/8 inch width defines a repeatable visual margin around standard small pull bases, helping layouts look uniform from door to door. As part of the 778 Series cabinet hardware, this backplate allows repeat use across a run of cabinets, which supports consistent appearance and predictable fit on every opening.
The backplate is 5/8 inch in width, describing the circle diameter, and has a projection of 1/16 inch, so it adds a thin, controlled layer behind the pull.
The backplate is made from solid brass with an aluminum finish, giving a brass base for strength and machining with an aluminum-look surface for coordination.
The aluminum finish creates a neutral metallic tone that visually aligns with aluminum-look pulls, helping the backplate blend into mixed hardware layouts.
This part is classified under Decorative Hardware & Moldings and Handles and Pulls, so it serves as a base component beneath knobs or handles.
The manufacturer part number 778-28 identifies this specific 778 Series solid brass circle backplate in aluminum finish for ordering and repeat installations.
The 1/16 inch projection sets a low profile under the pull, helping maintain designed clearances between cabinet doors, drawers, and adjacent surfaces.
This aluminum finish brass circle backplate from the Colonial Bronze 778 Series gives a defined 5/8 inch base and 1/16 inch projection under pulls, supporting predictable stack height and appearance. On projects using Decorative Hardware & Moldings in aluminum tones, this part helps tie handles and pulls together visually. For runs where a consistent Colonial Bronze Company look and controlled bearing surface matter, this 778 Series solid brass circle backplate 5/8 inch diameter aluminum finish is a precise fit.
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