ZR12-212Z Brushed Gold Starburst Square Door Knobs with Beaded Rosette | Privacy Door Hardware

$42.99
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120-Day Quality Warranty

About This Item:

Elevate your home with the sophisticated, architectural style of our Radial Privacy Interior Door Knobs.

At AMERDECO, we focus exclusively on premium residential door hardware to merge flawless functionality with unforgettable design. This collection combines the eye-catching precision of a square knob with the timeless elegance of a beaded rosette. Designed for high-end residential interiors requiring keyless security—like master bedrooms, guest bathrooms, and private offices—these unique knobs feature a captivating radial (starburst) pattern on the face and a delicately beaded edge. Trusted by over 10,000+ US homeowners and DIY renovators, it offers a seamless blend of tactical grip and luxury style.

Product Function & Application 

Function Best For (Application) Key Features & Benefits
Privacy Lock  Bedrooms, Bathrooms, Private Offices, and Master Suites

 

Keyless Security: Features an intuitive turn-button lock inside for absolute peace of mind.

Kid & Pet Safe Emergency Release: Can be easily unlocked from the outside through the discrete exterior hole using a standard paperclip or pin—no special emergency keys required.

 

Solving Common Homeowner Pain Points (Why Choose Us?)

  • ❌ The "Wobbly, Loose" Handle Problem

    • Our Solution: Most generic door knobs feel loose and wobble after daily use. Tested to withstand 200,000+ open/close operation cycles, our upgraded heavy-duty internal mechanical chassis ensures a solid, weighted, zero-wobble feel, keeping the square knob perfectly stable over years of continuous use.

  • ❌ Rust & Tarnish in High-Humidity Bathrooms

    • Our Solution: Traditional bathroom hardware tarnishes quickly in damp environments. Built with a premium Zinc Alloy chassis and solid Brass internal components, our hardware passes 72-Hour Neutral Salt Spray (NSS) testing, delivering 100% rust-free, tarnish-resistant performance in high-humidity rooms.

  • ❌ Expensive & Complicated Installation

    • Our Solution: Skip the professional contractor. Engineered with optimized bevel angles for standard US door prep, our universal design leaves ample clearance for standard manual screwdrivers—allowing a quick 5-minute DIY replacement without scratching the finish or re-drilling existing frames.

Technical Specifications & Compatibility

  • Product Type: Radial Patterned Square Privacy Interior Door Knob with Beaded Rosette

  • Locking Mechanism: Interior Push/Turn Button with Exterior Emergency Release Hole (Keyless)

  • Premium Material: High-Strength Zinc Alloy Chassis + Heavy-Duty Brass Components

  • Design Details: Tactile Diamond Radial (Starburst) Face Texture + Beaded Circular Rosette

  • Mechanical Durability: Rated for 200,000+ Cycles (Anti-Wobble Reinforced Springs)

  • Corrosion Resistance: Passed 72-Hour Neutral Salt Spray (NSS) Testing (Rust-Proof Finish)

  • Standard Door Thickness: Fits doors from 1-3/8" to 1-3/4" (35mm - 45mm)

  • Adjustable Latch: 2-3/8" or 2-3/4" (60mm or 70mm) adjustable brass latch

  • Handing: Reversible (Fits both Right-Handed and Left-Handed doors)

  • Quality Assurance: 100% Factory Inspected for torque stability, locking smoothness, and finish consistency.

  • Package Includes: Privacy Door Knob Set (Quantity based on your selection), Mounting Plates, Adjustable Latch, Strike Plate, Screws, and Easy Installation Guide.

The Amerdeco Brand Promise: 120-Day Risk-Free Trial

At AMERDECO, we don't just sell hardware; we deliver peace of mind. We are so confident in our premium craftsmanship that we offer an industry-leading 120-Day Quality Guarantee. If your radial beaded privacy door knobs experience any functional or material issues within your first 120 days, simply contact our support team. We will promptly provide a free replacement or issue a full refund—no questions asked.

  • 5 stars: 36 (90%)
  • 4 stars: 4 (10%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
A
Amazon Customer
Adds a nice touch to your home

The media could not be loaded.









Love them, ordered another pack. They are sturdy, easy to install, and good quality.

A
Amazon Customer
Adds a nice touch to your home

The media could not be loaded.









Love them, ordered another pack. They are sturdy, easy to install, and good quality.

D
Drj5600
Really beautiful and reasonably priced!!!

So beautiful!

D
Drj5600
Really beautiful and reasonably priced!!!

So beautiful!

K
Kate
Nice quality

Beautiful and feel like quality. I wish they came in dummy knobs so we could have all of our handles match.

K
Kate
Nice quality

Beautiful and feel like quality. I wish they came in dummy knobs so we could have all of our handles match.

D
Denise
Recommend to everyone!

I am absolutely obsessed! The quality is amazing and my husband had no issues installing!

D
Denise
Recommend to everyone!

I am absolutely obsessed! The quality is amazing and my husband had no issues installing!

W
Wendella
Antique copper, not brass

These are beautiful and well made. The only reason for 4 stars is the color is stated to be antique brass when in reality it is very much an antique copper.

W
Wendella
Antique copper, not brass

These are beautiful and well made. The only reason for 4 stars is the color is stated to be antique brass when in reality it is very much an antique copper.

m
melkor
Great with Black Doors

These look so great against my black doors. I have an Organic Modern type look in my hallway and these fit right in with the black and the wood.

m
melkor
Great with Black Doors

These look so great against my black doors. I have an Organic Modern type look in my hallway and these fit right in with the black and the wood.

E
Elle
Beautiful and good quality

These are gorgeous and heavy weight. Absolutely changed the look of my whole house. Have received many compliments on them!

E
Elle
Beautiful and good quality

These are gorgeous and heavy weight. Absolutely changed the look of my whole house. Have received many compliments on them!

J
Jessica Rodriguez
Good

Cute love them

J
Jessica Rodriguez
Good

Cute love them

S
Stefanie
Ease of installation, high quality, great design

Great quality, easy to install and love the design. These are fabulous and I've replaced all interior door knobs with these.

S
Stefanie
Ease of installation, high quality, great design

Great quality, easy to install and love the design. These are fabulous and I've replaced all interior door knobs with these.

P
P
Absolutely beautiful!

These are absolutely stunning! Exactly what we wanted. They are made very well and add such a beautiful touch to our doors. We love the square shape and find that they are not cumbersome to use at all.

P
P
Absolutely beautiful!

These are absolutely stunning! Exactly what we wanted. They are made very well and add such a beautiful touch to our doors. We love the square shape and find that they are not cumbersome to use at all.

L
Leila McAllister
Elegant!

These are really lovely. We have to get used to the square shape in our hands, but it's an elegant fixture with a sturdy feel. I did have to bore out the door to accommodate the wall mechanism but that was an easy fix

L
Leila McAllister
Elegant!

These are really lovely. We have to get used to the square shape in our hands, but it's an elegant fixture with a sturdy feel. I did have to bore out the door to accommodate the wall mechanism but that was an easy fix

C
Chandler309
Great knobs. Time will tell how they hold up finish wise.

They seem like beautifully made knobs. Time will tell how they hold up. A couple of the knobs are a little off kilter in position so I'm not real thrilled with that but I don't have a museum that needs to be pristine so it is what it is. I wish they had dummy knobs for closets but I will probably just have to order more of these.

C
Chandler309
Great knobs. Time will tell how they hold up finish wise.

They seem like beautifully made knobs. Time will tell how they hold up. A couple of the knobs are a little off kilter in position so I'm not real thrilled with that but I don't have a museum that needs to be pristine so it is what it is. I wish they had dummy knobs for closets but I will probably just have to order more of these.

R
Roger
Good Choice

Awesome, sturdy, nice quality.

R
Roger
Good Choice

Awesome, sturdy, nice quality.

K
Kelly
Really nice.

The media could not be loaded.









Super cute. Easy to install. Heavy. Looks really nice.

K
Kelly
Really nice.

The media could not be loaded.









Super cute. Easy to install. Heavy. Looks really nice.

R
RH281
Beautiful and well-made

I love these! I ended up changing every door in my home to this! They are beautiful and very well-made

R
RH281
Beautiful and well-made

I love these! I ended up changing every door in my home to this! They are beautiful and very well-made

S
Sleigh
Beautiful and high quality

Stunning, high quality. Honestly I am in awe of how beautiful they are. We are only returning them Because I can’t baby proof them with covers 😭

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