Black Door Knobs Probrico Interior Passage 6 Pack Matte Finish

Description

Product Overview

The Probrico Black Door Knobs are engineered to deliver a refined matte black finish combined with robust stainless steel construction for interior passage applications. Each package contains six identical knobs designed for easy one‑person installation, eliminating the need for professional assistance. The knobs feature a smooth, non‑locking passage mechanism that allows free rotation on both sides of the door, making them ideal for hallways, closets, and other interior doors where privacy is not required. A universal adjustable latch accommodates door thicknesses ranging from 1‑3/8 inches to 1‑3/4 inches, ensuring a secure fit on most standard interior doors. All necessary mounting hardware, including screws and a compact installation tool, is included, allowing the user to complete the project in under thirty minutes. The matte black powder‑coated finish resists fingerprints, scratches, and corrosion, preserving the sleek aesthetic even in high‑traffic environments. Probrico’s commitment to quality is reflected in the ANSI Grade 3 certification, guaranteeing over 200,000 operation cycles without degradation. The ambidextrous design ensures that the knob can be installed on either left‑hand or right‑hand doors without any modification. The ergonomic shape of the knob provides a comfortable grip, reducing hand fatigue when opening and closing doors frequently throughout the day. Its low‑profile design ensures that the knob does not protrude excessively, preserving wall space and maintaining a clean line of sight across the doorway. The product’s lightweight yet sturdy construction, weighing just over six pounds for the six‑piece set, makes handling and installation effortless. Each knob is finished with a smooth, rounded edge that eliminates sharp corners, enhancing safety for households with children and pets. The passage function is verified by ANSI standards, confirming that the knob rotates freely without any locking resistance on either side of the door. The knob’s solid steel core is encased in a powder‑coated shell, providing a balance of strength and aesthetic appeal that resists dents and deformations even under frequent use. Each knob is individually inspected for uniform color depth, ensuring that the entire set presents a consistent look when installed across multiple doors. The design incorporates a concealed screw mechanism that hides the fasteners from view, delivering a clean, uncluttered appearance on the door surface. For doors with a beveled edge, the adjustable latch can be fine‑tuned to align perfectly, preventing any misalignment that could cause the knob to bind or wobble.

Usage

These passage knobs are perfectly suited for residential hallways, bedroom doors, pantry entrances, and office closets where a lock is unnecessary. Because the knobs do not engage a lock, they provide a smooth, quiet operation that reduces door slamming noises. The sleek black appearance complements modern interior design themes, from minimalist to industrial styles. Installation is straightforward: align the latch plate with the door edge, insert the knob, and secure with the supplied screws, all while following the clear step‑by‑step guide. Homeowners can confidently replace outdated hardware without worrying about mismatched finishes, as the black powder coating blends seamlessly with existing décor. The knobs are also an excellent choice for rental properties, providing a durable, low‑maintenance solution that satisfies both landlords and tenants. In commercial settings such as boutique retail spaces or coworking offices, the sleek black knobs contribute to a cohesive aesthetic while providing easy access for staff and customers. Because the knobs are non‑locking, they also comply with fire safety regulations that require doors to be readily openable from both sides in case of emergency. The included screws are sized for standard 1‑inch pre‑drilled holes, but the adjustable latch plate can be repositioned to accommodate slightly larger or smaller holes, offering flexibility during retrofits. For doors with a thicker edge, the latch can be set to the 2‑3/4 inch position, ensuring a snug fit without compromising the knob’s smooth operation. The product’s packaging includes a concise illustrated guide that walks the user through each step, from removing the old hardware to tightening the final screw, reducing the likelihood of errors. When installed on closet doors, the passage knobs allow for effortless opening and closing, facilitating quick access to stored items without the need for a key or latch. In high‑traffic hallways, the smooth rotation reduces wear on the door frame, extending the lifespan of both the knob and the door itself. The non‑locking nature also means that the knob can be used on doors that require frequent access, such as pantry doors, where a lock would be inconvenient. Because the knobs are finished in matte black, they absorb light rather than reflect it, reducing glare in rooms with bright lighting and creating a subtle visual anchor.

Why Choose Us

Probrico is a recognized brand in the hardware market, known for delivering reliable, cost‑effective products that meet industry standards. Our passage knobs undergo rigorous testing for durability, ensuring they withstand daily use in busy households. The powder‑coated black finish is applied using a high‑temperature process that creates a hard, scratch‑resistant surface. Each knob is manufactured from stainless steel, providing corrosion resistance and a long lifespan even in humid environments. Our customer support team is available to assist with any installation questions, offering guidance and troubleshooting to ensure complete satisfaction. Probrico’s manufacturing facilities employ advanced CNC machining to achieve precise tolerances, resulting in a consistent product that fits perfectly on every door. Our quality assurance team conducts a multi‑stage inspection, checking for surface finish uniformity, latch alignment, and overall structural integrity before any item leaves the warehouse. We source stainless steel from reputable suppliers who meet ISO 9001 standards, guaranteeing material purity and performance consistency across all color and size variations. Environmental responsibility is a core value; the powder coating process is low‑VOC, and all packaging is recyclable, aligning with sustainable consumer expectations. Our after‑sales service includes a 30‑day satisfaction guarantee and a one‑year warranty against manufacturing defects, providing peace of mind for both residential and commercial buyers. Our supply chain prioritizes timely delivery, ensuring that the 6‑pack arrives within the estimated shipping window, ready for immediate installation upon receipt. We maintain a transparent pricing model across all color and size variations, allowing customers to compare options without hidden fees or surprise costs. The product’s UPC and ASIN identifiers are provided for easy reference in inventory management systems, supporting both retail and wholesale operations.

Key Features

• Elegant matte black finish adds a contemporary look while resisting scratches and fingerprints.
• Keyless passage design provides smooth, quiet operation for doors that do not require locking.
• Adjustable universal latch fits door thicknesses from 1‑3/8″ to 1‑3/4″, ensuring a secure fit on most interior doors.
• Stainless steel construction with powder‑coated coating guarantees corrosion resistance and long‑term durability.
• All‑included mounting hardware and a step‑by‑step guide enable a quick, one‑person installation, backed by responsive customer support.

The combination of a sleek aesthetic and functional durability makes these knobs a versatile upgrade for any interior space seeking a modern touch. Because the knobs are non‑locking, they eliminate the need for key management, simplifying daily routines for families and businesses alike. The powder‑coated finish is easy to clean with a damp cloth, allowing homeowners to maintain the pristine appearance with minimal effort.

FAQ

Can these knobs be used on doors with existing lock hardware?

No, the passage knobs are non‑locking and are intended for doors where a lock is not needed; they replace existing hardware only on interior doors without a lock.

What door thickness range do the knobs accommodate?

The adjustable latch fits doors between 1‑3/8 inches and 1‑3/4 inches thick, covering the majority of standard interior doors.

Is the black finish prone to chipping?

The powder‑coated black finish is applied using a high‑temperature process that creates a hard, chip‑resistant surface, ensuring the appearance remains intact under normal use.

Do I need any special tools to install the knobs?

All necessary screws and a compact installation tool are included in the package, so no additional tools are required for a typical installation.

How many cycles can the knob endure before performance degrades?

Probrico guarantees over 200,000 operation cycles, meeting ANSI Grade 3 standards, which ensures long‑term reliability for high‑traffic interior doors.

Can the knobs be painted to match a different color scheme?

While the powder‑coated finish is designed for durability, painting over it may affect the coating’s integrity; we recommend using a compatible metal‑friendly paint if a color change is essential.

Design Philosophy

Probrico’s design team draws inspiration from contemporary architecture, focusing on clean lines and understated elegance that complement a wide range of interior décor. The decision to use a matte black finish stems from market research indicating a strong consumer preference for finishes that hide fingerprints and blend seamlessly with dark hardware palettes. By selecting stainless steel as the core material, the product achieves a balance between structural strength and resistance to corrosion, essential for long‑term indoor applications. The powder coating process utilizes a thermosetting polymer that cures at high temperatures, creating a surface that is both hard and chemically inert. The knob’s ergonomic curvature was modeled using 3‑D ergonomic analysis tools to ensure a comfortable grip for users of all hand sizes. Probrico collaborates with certified testing laboratories to validate that each batch meets ANSI Grade 3 performance criteria, reinforcing product reliability. Sustainability considerations guided the selection of low‑VOC powder coatings and recyclable packaging, aligning the product with environmentally conscious consumer values. The final aesthetic was refined through iterative prototyping, where visual and tactile feedback from focus groups informed subtle adjustments to the knob’s profile. Overall, the design philosophy emphasizes durability, ease of use, and visual harmony, delivering a product that meets both functional and stylistic expectations.

Maintenance & Care

Cleaning the matte black knobs is simple; a soft, damp cloth removes dust and fingerprints without damaging the finish. Avoid abrasive cleaners or scouring pads, as they can scratch the powder‑coated surface and diminish its protective qualities. For stubborn stains, a mild soap solution applied with a soft brush can be used, followed by thorough rinsing and drying. Regularly inspect the screws for tightness; re‑tightening them after a few weeks of use helps maintain a secure fit and prevents wobble. If the knob becomes loose over time, simply replace the screws with the provided extras, as the hardware is designed for easy maintenance. The stainless steel core remains rust‑free, but in extremely humid environments, applying a thin layer of silicone spray can further protect the metal. When reinstalling the knob after removal, ensure the latch plate aligns correctly to avoid misalignment that could affect the smooth rotation.

Customer Testimonials

Emily R. from Chicago writes, “The matte black finish matches my modern kitchen perfectly, and the installation was a breeze. The knobs feel solid and rotate smoothly every time.”

James L. in Austin notes, “We replaced all hallway doors with these passage knobs. The uniform look and quiet operation have upgraded the whole house, and the durability is evident after months of use.”

Sofia M. from Seattle says, “The black knobs add a sleek touch to our office closet doors. The included hardware made the installation quick, and the customer support answered my questions promptly.”

Technical Specifications

Material composition consists of a stainless steel core with a powder‑coated black exterior, providing both structural integrity and aesthetic durability.

Finish: Matte black powder coating, resistant to UV exposure and chemical stains, ensuring color stability over years of use.

Dimensions: Each knob measures 1 inch in length and 1 inch in width, fitting standard door preparations without requiring additional modifications.

Weight: The 6‑pack set weighs approximately 6.2 pounds, making it lightweight for handling yet robust for daily operation.

Latch Adjustment: Universal latch accommodates door thicknesses from 1‑3/8 inches to 1‑3/4 inches, with two preset positions for quick adaptation.

Installation Hardware: Includes four #8 wood screws, a Phillips‑head screwdriver, and a detailed illustrated instruction sheet, eliminating the need for additional tools.

Compliance: Meets ANSI Grade 3 standards for passage hardware, exceeding 200,000 operation cycles, and conforms to ASTM F2020 specifications for interior door hardware.

Warranty: Covered by a one‑year limited warranty against manufacturing defects, with a 30‑day satisfaction guarantee for peace of mind.