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Schaub Heathrow Square Knob 1-1/4 Matte Black is a decorative knob from Schaub and Company that provides a compact square pull point for doors or drawers, giving a clean geometric touch wherever a small, defined grip is needed. The 1-1/4 inch size shapes how much finger purchase installers and users get on the face, which suits smaller cabinet fronts or tighter layouts where a low-profile knob is preferred. The matte black finish sets a flat, non-reflective surface that helps visually anchor lighter doors while avoiding glare under task lighting. Being part of the Schaub knobs product class places it in a decorative hardware role rather than a functional hinge or slide, which keeps its purpose focused on user grip and visual style. As a square knob, its straight edges help align visually with modern cabinet lines, which matters when running multiples across a bank of doors.
The knob uses a #8-32 thread, which directly affects how it fastens through a cabinet door or drawer front and ties into typical borings used in many shop setups. This thread size guides installers toward matching machine-thread fasteners, helping maintain a solid connection through the panel without wobble when tightened. Because the thread is defined rather than generic, it assists in planning drilling operations and hardware layout in the shop, especially when standardizing across multiple cabinets. On the jobsite, knowing the #8-32 interface speeds field swaps or additions by keeping the fastening interface predictable from piece to piece.
This knob is part of the Decorative Hardware & Moldings, Knobs category, so it fits jobs where the pull point remains visible and handled daily, such as kitchen cabinets, bath vanities, or built-ins. The 1-1/4 inch square profile suits doors and drawers that need a small, clearly defined handle area rather than a wide pull bar, which can be helpful on compact faces or upper cabinets. Because it is specifically a square knob, it visually lines up with straight cabinet reveals and slab or Shaker-style fronts, supporting layouts that rely on crisp, orthogonal geometry. The matte black description positions it for use in schemes calling for dark decorative hardware, which can either contrast painted wood or blend into dark-toned fronts for a quieter look.
The specified 1-1/4 inch size allows installers and shops to repeat drilling and layout patterns across a project, which reduces layout variability when multiple knobs are used in rows or grids. Using a knob with a defined #8-32 thread helps hardware planners standardize drilling and fastener selection, which simplifies cabinet production runs and service work when a piece needs to be swapped later. The square shape supports consistent visual alignment along cabinet edges, which is important when designers expect straight lines of hardware to track reveals and rail edges. Having a precise identifier, Schaub and Company part 551-MB, supports long-term matching by allowing future orders to pull the same matte black square style, helping maintain visual continuity when spaces are expanded or remodeled.
The Schaub Heathrow square knob is described as 1-1/4 inch, which sets the face dimension and helps installers judge its proportion on cabinet doors and drawers.
The knob uses a #8-32 thread, which defines the machine-thread interface through the cabinet panel and helps align with common hardware drilling setups.
The knob is described as matte black, which provides a flat, dark appearance that can support contrast or low-reflection cabinet hardware schemes.
The manufacturer part number is 551-MB, which helps designers, shops, and installers reorder the exact same knob for future projects.
The knob is in the Decorative Hardware & Moldings, Knobs category, placing it among visible cabinet touchpoints rather than structural components.
The knob is from Schaub and Company, which identifies the decorative hardware line and supports coordinating this knob with other Schaub pieces.
This knob from Schaub and Company pairs a 1-1/4 inch square profile with a matte black finish, giving projects a defined, compact pull point that suits many cabinet faces. The #8-32 thread description supports straightforward fastening choices in both shop and field settings, aligning with common cabinet hardware practices. Using the specific 551-MB identifier when ordering through Wurth Baer Supply helps keep future additions visually consistent with original installations across kitchens, baths, or built-ins.