Crystal entry door knob with deadbolt set featuring a passage door knob, square backplate and single cylinder deadbolt
Crystal entry door knob with deadbolt installed on a modern front door
Crystal entry door knob with deadbolt available in Matte Black, Satin Nickel, Brushed Gold, Polished Chrome, Antique Brass and Oil Rubbed Bronze
Crystal entry door hardware set including passage door knob, single cylinder deadbolt and installation hardware
Interior and exterior view of a crystal entry door knob with matching deadbolt installed
Dimensions and standard fit for crystal entry door knob with deadbolt
Antique Brass crystal entry door knob with square backplate and deadbolt
Brushed Gold crystal entry door knob with square backplate and deadbolt
Matte Black crystal entry door knob with square backplate and single cylinder deadbolt
Oil Rubbed Bronze crystal entry door knob with square backplate and deadbolt
Polished Chrome crystal entry door knob with square backplate and deadbolt
Satin Nickel crystal entry door knob with square backplate and matching deadbolt

SENY Crystal Entry Door Knob with Deadbolt – Passage Door Knob & Single Cylinder Deadbolt Set

$89.99
or 4 interest-free payments of $20.00 with Shop Pay
  • Crystal Entry Door Design
  • Complete Deadbolt Set
  • Single Cylinder Security
  • Standard U.S. Fit
  • Easy DIY Installation
Finish:Antique Brass
Function:Passage Knob + Deadbolt

Complete Your Installation

Add matching hardware for a cleaner, more secure installation.

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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.                                                                                         

Select your function

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.

Crystal Entry Door Knob with Deadbolt for Elegant Front Doors

Upgrade your home's entrance with the SENY Crystal Entry Door Knob with Deadbolt. Featuring a sparkling crystal knob, modern square backplate, and matching single cylinder deadbolt, this complete entry door hardware set combines timeless elegance with dependable everyday security.

Designed for front doors, side entry doors, and exterior entrances, it delivers both decorative appeal and reliable protection.

Complete Entry Door Hardware Set

This coordinated set includes:

✔ Crystal Passage Door Knob

✔ Single Cylinder Deadbolt

✔ Matching Strike Plates

✔ Adjustable Latch

✔ Mounting Hardware

The passage knob provides comfortable everyday operation, while the deadbolt delivers secure keyed locking for exterior entry doors.

Crystal Knob with Modern Square Backplate

The brilliant crystal knob reflects light beautifully, while the square backplate creates a clean architectural appearance.

Features include:

✔ Sparkling crystal design

✔ Modern square backplate

✔ Comfortable everyday grip

✔ Elegant statement for entry doors

Perfect for modern, transitional, and classic homes.

Reliable Single Cylinder Deadbolt Security

The included deadbolt features:

✔ Keyed exterior cylinder

✔ Interior thumb turn

✔ Smooth locking performance

✔ Secure everyday protection

Ideal for residential exterior doors.

Standard Fit & Easy Installation

Designed for standard U.S. doors.

✔ Fits door thickness:

1-3/8"–1-3/4"

✔ Adjustable backset:

2-3/8" or 2-3/4"

✔ Includes complete installation hardware

✔ Easy DIY installation

Compatible with most pre-drilled exterior doors.

Premium Crystal & Metal Construction

Built using high-quality crystal and durable metal components for lasting beauty and performance.

Features include:

✔ Durable metal construction

✔ Corrosion-resistant finish

✔ Smooth daily operation

✔ Long-lasting reliability

Finish Options

Available in six elegant finishes:

✔ Matte Black

✔ Satin Nickel

✔ Brushed Gold

✔ Polished Chrome

✔ Antique Brass

✔ Oil Rubbed Bronze

Choose the finish that best complements your home's exterior.

Ideal Applications

Perfect for:

✔ Front doors

✔ Side entry doors

✔ Garage entry doors

✔ Exterior residential doors

Built for Everyday Confidence

The passage knob ensures smooth daily use, while the matching single cylinder deadbolt provides dependable front door security.

Backed by a 2-Year Warranty for lasting 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