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Schaub Quadrato square knob identifies this part as a square cabinet knob from the Schaub and Company Quadrato collection, so installers and shops can match it consistently across cabinet runs or replacement jobs that specify this exact design line. The 1-3/8 inch size describes the knob dimension, giving a substantial hand contact point that suits standard cabinet doors or drawers in kitchens, baths, and built-in casework. The gun metal description defines the finish tone, allowing designers and builders to coordinate this knob with other gun metal decorative hardware in the same space. Listing under Decorative Hardware & Moldings and Knobs confirms its role as visible cabinet hardware, so it is intended for front-facing installation where appearance and basic grip are both important to the finished job.
The web description identifies an M4 thread / screw size for this knob, which tells installers that the knob is designed to mount using a metric M4 threaded connection to the cabinet front, aligning with common bored hole practices for modern cabinetry. The square knob form allows positioning with edges parallel to door or drawer edges, so installers can rotate the knob during tightening to achieve clean visual alignment before final snugging. The 1-3/8 inch size means the knob covers typical 3/16 inch or similar drilled mounting holes while still leaving enough flat face around the center for a solid grip when operating doors or drawers.
The product name Schaub Quadrato Square Knob, 1-3/8 inch, Gun Metal identifies this part as a decorative cabinet knob suited to cabinet doors and drawers where a square, modern profile is desired. The category Decorative Hardware & Moldings and the designation Knobs show that it is built for visible use on cabinetry rather than hidden structural roles, so it functions as the touch point for opening and closing casework. The 1-3/8 inch size works on single cabinet doors, smaller drawer fronts, or paired placements on wider drawers where two knobs are specified for balance. The gun metal finish description supports use in projects that call for darker metal tones, allowing the knob to coordinate visually with other gun metal cabinet hardware components specified on the same job.
The specified M4 thread / screw size connects this knob to a standard metric mounting interface, so shops drilling for M4-based hardware can keep boring patterns consistent across different Schaub knobs and pulls that share the same thread convention. Having the manufacturer part number 20015-GM gives installers and purchasing teams a precise identifier when reordering for punch-list work, field replacements, or future remodel extensions using the same Quadrato square knob. The SAP description and web description both call out the square shape and gun metal finish, reinforcing that the visual appearance will match other records or drawings that reference a square gun metal knob. Grouping it under the Schaub class of Knobs helps inventory managers organize this part with related Schaub hardware, simplifying hardware pulls during cabinet assembly or installation staging.
The 20015-GM part is a Schaub Quadrato square knob classified under Decorative Hardware & Moldings and Knobs, so it functions as a cabinet knob for doors and drawers.
The Schaub Quadrato square knob is specified at 1-3/8 inch, giving a compact but substantial contact area that suits typical cabinet doors and drawer fronts in residential or shop-built cabinetry.
This Quadrato cabinet knob is described as gun metal, which identifies a dark metal-tone finish that coordinates with other gun metal decorative cabinet hardware on the same project.
The 1-3/8 inch Quadrato square knob uses an M4 thread size, allowing it to mount using a standard M4 threaded connection commonly used in modern cabinet hardware installations.
The Quadrato square gun metal knob is manufactured by Schaub and Company and is listed in the Schaub class of knobs, supporting projects that specify Schaub decorative hardware lines.
This square knob is referenced by manufacturer part number 20015-GM and the description Quadrato square knob, 1-3/8 inch, gun metal, which simplifies precise reordering for future cabinet work.
The Schaub Quadrato square knob, 1-3/8 inch, gun metal, with M4 thread, gives cabinet shops and installers a clearly defined decorative hardware choice that aligns with documented project specs. At Wurth Baer Supply, this knob is listed under Schaub knobs in Decorative Hardware & Moldings, so it fits into cabinet hardware schedules that call for a square, gun metal knob. Using its 20015-GM part number allows straightforward ordering when building out full cabinet runs or aligning replacements with existing Schaub Quadrato installations.
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