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Vintage brass vintage door knob with backplate passage function, SENY
Vintage brass privacy interior door knob with backplate, SENY
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Oil rubbed bronze passage door knob with backplate, SENY
Oil rubbed bronze privacy door knob with backplate for bathroom doors, SENY
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Matte black passage door knob with backplate, SENY
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SENY Door Knobs with Backplate – Arched Interior Door Knob Set (Privacy, Passage, Dummy)

Sale price$59.99 Regular price$99.99
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  • Mushroom metal knob with smooth, comfortable grip
  • Traditional arched rosette with classic detailing
  • Available in Privacy, Passage & Dummy functions
  • Fits most standard U.S. interior doors
  • Designed for daily use, easy DIY installation
Finish:Polished Chrome
Function:Passage
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✔ FREE U.S. SHIPPING

Free shipping on all orders.

✔ SHIPS FAST FROM U.S.

Most orders dispatch within 1 business day.

✔ EASY RETURNS & WARRANTY

30-day returns + 2-year coverage.

FAQ

  1. Can Seny hardware be customized for DIY projects?
    We offer personalized engraving services for DIY enthusiasts, making every door handle truly one of a kind and connecting the warmth of home with a personal touch.
  2. What finishes are available for door hardware?                                                        Seny Hardware offers a wide range of finishes, including Matte Black, Brushed Copper, Faux Gold, Brushed Red Bronze, Highlighted Red Bronze, Brushed Nickel, Polished Chrome, Antique Brass, Aged Brass, and Champagne Bronze — crafted to elevate any interior.
  3. Is Seny Hardware suitable for the exterior of my house?                                        Yes, our door handles and pulls are protected with a powder-coated anti-corrosion finish and have undergone rigorous quality testing for residential use. In addition, all of our hardware is thoroughly tested for quality before shipping.               
  4. How quickly can I get my order?                                                                               
    Most orders ship within 1–2 business days, and transit time varies by location—typically 2–7 days (Standard) or 1–2 days (Expedited). You’ll receive a tracking number once your package ships!
  5. Do your mortise locksets include keys?      
    Yes, the package contains one deadbolt, strike plate, latch, and two skeleton keys.
  6. What is the backset of your mortise lock?                                                                2.36"– We do not offer any other size.
  7. Will your interior mortise lock chassis fit all older doors with mortise locks?      Compatible with most interior doors and can adapt 2.36"backset.
  8. Are crystal door knobs hard to use in winter because they feel cold?                   While crystal naturally feels cooler to the touch during winter, they will warm up quickly with use.Many customers choose them because they not only function perfectly as hardware but also add a unique decorative accent that elevates the entire space.
  9. What do I do if someone locks themselves in a room?                                            There is a small hole in the Rosette or Plate on the exterior side of the door that can be used to unlock a “locked” privacy door. Insert a straightened paper clip or something of similar size into the privacy hole and gently push to unlock the privacy.
  10. Do the screw holes match?                                                                                         Generally, our screw holes and locks are designed to be compatible. If you encounter any mismatch issues, please take a photo and contact our after-sales customer service for help.                                                                                         

Why Customers Love It

TIMELESS DECORATIVE DESIGN

Thoughtfully crafted hardware that adds refined character to doors, drawers, and cabinets.

SOLID & DURABLE CONSTRUCTION

Built with quality metal components for smooth performance and dependable everyday use.

EASY INSTALLATION & FUNCTION

Standard fitting and practical configurations make setup simple for interior and entry applications.

MULTIPLE FINISHES & OPTIONS

Available in versatile finishes and styles to complement both modern and vintage homes.


Door Knobs with Backplate for Interior Doors

This door knob with backplate combines classic design with everyday functionality. Featuring a smooth mushroom-shaped knob and a decorative arched backplate, it adds timeless character to interior doors while ensuring reliable performance.


Classic Arched Backplate with Timeless Appeal

The arched backplate introduces soft architectural detail that enhances both traditional and transitional interiors. Paired with the rounded knob, it creates:

✔ A refined, decorative profile
✔ Balanced proportions for interior doors
✔ A timeless look that fits multiple home styles

Perfect for those seeking interior door knobs with backplate that feel both classic and versatile.


Smooth Mushroom Knob for Comfortable Use

The rounded mushroom knob is designed for daily comfort and ease of use. It offers:

✔ A natural, ergonomic grip
✔ Smooth turning operation
✔ A soft, understated silhouette

A practical and stylish solution for interior spaces.


Interior Door Knob Set with Multiple Functions

Available in three functional options to match different rooms:

Privacy Door Knobs – ideal for bedrooms and bathrooms
Passage Door Knobs – perfect for hallways and shared spaces
Dummy Door Knobs – for decorative or push/pull applications

Easily maintain a consistent look throughout your home.


Durable Metal Construction

Crafted from high-quality metal, these interior door knobs provide:

✔ Strong and stable construction
✔ Long-lasting durability
✔ Reliable everyday performance

Built to maintain both function and appearance over time.


Designed for Interior Applications

Suitable for a wide range of spaces:

Bedrooms
Bathrooms
Hallways
Closets
Home offices

A versatile upgrade for any interior door.


Easy Installation & Standard Fit

✔ Adjustable latch: 2-3/8" or 2-3/4"
✔ Fits standard U.S. door thickness
✔ Reversible for left and right-handed doors

Designed for both replacements and new installations.


Built for Everyday Reliability

Engineered for smooth daily use and backed by a 2-year warranty, this door knob set delivers dependable performance and long-term confidence.


Important Notes

  • Due to production batch variations, slight color differences may occur

  • California Proposition 65 Warning
    Cancer and Reproductive Harm — www.P65Warnings.ca.gov

Styled for Real Homes

See It in Your Space

SENY Door Knobs with Backplate – Arched Interior Door Knob Set (Privacy, Passage, Dummy) applicable scenario
SENY Door Knobs with Backplate – Arched Interior Door Knob Set (Privacy, Passage, Dummy) applicable scenario
SENY Door Knobs with Backplate – Arched Interior Door Knob Set (Privacy, Passage, Dummy) applicable scenario
SENY Door Knobs with Backplate – Arched Interior Door Knob Set (Privacy, Passage, Dummy) applicable scenario

From entryways to bedrooms — a timeless upgrade in minutes.