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Piedmont Door Knob product photography coming soon — BEX solid brass hardware

Modern | Solid Brass

Piedmont Door Knob

SKU: 4300.67PIK3NL.083NL
Sale price$190.00 USD
Rosette:
Function:
Finish:US3NL Unlacquered Brass
Dimensions & Specifications
Knob Diameter 2-3/16″
Projection 2-9/16″
Rosette Dimensions 2-1/2″ diameter with a 3/8″ depth
Weight 3.4 lbs per standard set (Solid, heavy-weight structure)
Technical Preparation & Installation
Backset Adjustable 2-3/8″ or 2-3/4″ (Standard latches included)
Door Preparation Fits standard pre-drilled North American doors with a 2-1/8″ cross bore and a 1″ edge bore.
Door Thickness Range 1-3/8″ to 1-3/4″ standard. Thick door kits are available for doors up to 3.5″ thick and include extended threaded cylinders, longer square steel spindles, and extended rosette screws.
Mounting System Heavy-duty concealed machine screws for a seamless architectural look.
Tool Warning Installation requires hand tools only.
Never use power tools or impact drivers — this may strip internal threads or snap screw heads.
Mechanical Engineering & Functionality
Chassis & Spring Mechanics Grade 2 heavy-duty tubular chassis with independent heavy-duty springing that keeps the knob returning true and prevents loosening over decades of use.
Acoustic Control Integrated anti-friction polymer insert in the latch bolt for nearly silent closing while reducing wear on the metal strike plate.
Available Configurations
  • Passage & Privacy — Both functions share the same rosette and standard door preparation. The Privacy set adds an integrated locking pin housed within the rosette; a simple press engages the lock for bedrooms and baths — no secondary hardware or specialized milling required.
  • Half Dummy — Stationary set for one side of a door, surface-mounted using wood screws.
  • Double Dummy — Symmetrical non-operating knobs on both sides, through-bolted using existing bore holes to withstand heavy pulling forces.
Material & Finish Technologies
Material Composition Solid Forged Brass. Excludes inferior zinc alloys, aluminum, or hollow pot metals.
Finish Technologies
  • PVD (Physical Vapor Deposition) — Vaporized metals bond to the brass substrate in a vacuum chamber, creating an impenetrable layer with extreme corrosion resistance. Ideal for high-traffic or coastal applications.
  • Lacquered & Electroplated — Protected by a highly durable, industrial-grade clear lacquer baked at low temperatures to prevent the underlying brass from oxidizing.
  • Living Finishes — Unlacquered finishes (such as Natural Brass or Oil-Rubbed Bronze) are designed to interact with the environment, oxidizing and developing a dynamic, unique patina over time.
Certifications & Warranty Data
Compliance & Safety
  • 20-minute certified UL fire-rated option available.
WARNING: This product can expose you to chemicals including lead and/or wood dust, known to the State of California to cause cancer and birth defects or other reproductive harm.
Door Handing Guide
Door handing diagram showing left-hand and right-hand configurations

Stand at the exterior side of the door, facing in. If the hinges are on the left, the door is left-handed. If the hinges are on the right, the door is right-handed.

The Piedmont Knob by BEX softens a square into a flat-faced squircle: four gentle sides meeting in rounded corners over a straight-walled body. The shape registers subtly under the hand, orienting your grip while keeping the face calm and unadorned. Measuring 2-3/16 inches across, the solid brass Piedmont knob pairs with the Halo, Square, Rectangular, and Bexley rosettes — at home in modern farmhouses and transitional interiors.

BEX casts the Piedmont solid and breaks every corner by hand, so the softened-square geometry feels as deliberate as it looks.

additional details

BEX Products

about the brand

A premium architectural hardware collection engineered for modern luxury. This product line delivers exceptional functionality and timeless design, precision-machined from solid brass and structurally engineered metals.

Explore our complete catalog of mortise hardware, entrysets, and cabinet finishes built specifically to meet demanding architectural requirements while delivering unparalleled aesthetic continuity across your projects.