Emtek C505SQU US10B Oil Rubbed Bronze Square Knob Brass Modern Dummy Door Knobset with the CF Mechanism

Item #: BCI1805286

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Availability based on Finish selected
Oil Rubbed Bronze
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Technical Specs

Specification Sheet
Rosette Specification
Installation Guide
Collection Brass Modern
Concealed Screws Yes
Function Dummy Set
Handing Reversible
Handle Material Metal
Handle Style Knob
Knob Diameter 2.6875
Knob Height 2.25
Knob Width 2.25
Material Brass
Projection 2.625
Series Modern Square
Shape Square
Theme Contemporary

Configure your Emtek C505SQU US10B Square Knob Brass Modern Dummy Door Knobset with the CF Mechanism

  • Rosette Style more info ▼

    A rosette is a decorative trim plate used to cover the bore hole and compliment the knob/lever. Choose the look you want by selecting the rosette of your choice!


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Square Knob Brass Modern Dummy Knobset with Concealed Screws

The Emtek Modern Square Knob is a perfect fit for the contemporary home. With its simple yet decorative design and availability in popular finishes such as Satin Nickel and Polished Chrome, the Modern Square Knob is sure to add beauty and elegance to any room. Its solid brass construction gives it a very durable and sturdy feel and is sure to last a lifetime. Available with a multitude of Rosette options, the Modern Square Knob allows for a customized look to match anyone's personal taste and any room's motif. See the rest of Emtek's Brass Modern collection and Square series for more options and a complete house solution!

Dummy Set: Emtek's dummy sets include both the interior and exterior handle. These dummy sets are surface mounted and do not include a latch or strike plate as they are used as a pull only. Dummy sets are typically used on double door situations where the dummy set will be used on the inactive door. The CF Mechanism provides concealed screws on both sides of the door, therefore featuring a clean look on both the interior and exterior.


  • Standard Door Prep
  • Solid Brass Construction
  • CF Mechanism:
    • Concealed Screws on both Interior and Exterior for a Clean and Elegant Look


  • Projection: 2-5/8"
  • Knob Diameter: 2-11/16"
  • Knob Height: 2-1/4"
  • Knob Width: 2-1/4"

Emtek is dedicated to bringing interesting, well made hardware back into American homes. Emtek's mission is to satisfy the higher expectations of today's homeowners with regard to door locks. They strive to provide a broad and interesting range of products that consumers can use as elements of decor, and not just as a way to latch a door.

Additional Emtek Links

Our SKU: C505SQU

This product is listed under the following manufacturer number(s):

  • Flat Black
    C505SQU US19
  • Oil Rubbed Bronze
    C505SQU US10B
  • Polished Chrome
    C505SQU US26
  • Satin Nickel
    C505SQU US15

*Denotes a finish or option that has been discontinued

3 Questions from the Community

  • The Emtek C505SQU could be used on two separate doors.

    Hi - Can I use the dummy door knobs on two separate doors? They are closet doors which do not require a door knob on the inside. Thanks!

    A. The Emtek C505SQU could be used on two separate doors.

  • The Emtek C505SQU knob is 2-1/4".

    What is the size of the knob?

    A. The Emtek C505SQU knob is 2-1/4".

  • You will not need any additional hardware to install the knob sets.

    Do I need any additional hardware?


    You will not need any additional hardware to install the knob sets.

Emtek Modern Square Collection

Warranty Info

Emtek Limited Warranty

Emtek Products, Inc. (the “Company”) warrants to the original purchaser that, except for products with Rust, Deep Burgundy, Medium Bronze, Flat Black Patina and Silver Patina finishes, the products manufactured by it (the “Products”) are free of defects in material and workmanship, provided:

  • the Company has been notified within five years of purchase date and has been given the opportunity of inspection by return of any alleged defective Products to the Company, free and clear of all liens and encumbrances, transportation prepaid, accompanied by a statement of defects and proof of purchase; and
  • the Product has not been modified, abused, misused or improperly installed, maintained and/or repaired during such period; and there is no warranty on Rust, Deep Burgundy, Medium Bronze, Flat Black Patina and Silver Patina finishes.

The Company shall, at its option, either repair or replace, free of charge, any Products or part thereof found upon the Company’s inspection, to be so defective, or at the Company’s sole discretion refund the purchase price, less a reasonable allowance for depreciation, in exchange for the Product.

The Company makes no other warranty, and all implied warranties including any warranty of merchantability or fitness for a particular purpose are limited to the duration of the expressed warranty period as set forth above. The Company’s maximum liability hereunder is limited to the purchase price of the product. In no event shall the Company be liable for any consequential, indirect, incidental or special damages of any nature arising from the sale or use of the product, whether in contract, tort, strict liability or otherwise.


  • Some states do not allow limitations on incidental consequential damages or how long an implied warranty lasts so that the above limitations may not fully apply.
  • This warranty gives specific legal rights and a buyer may also have other rights which may vary from state to state.
  • For warranty service please contact Build.com customer service at (800) 375-3403.
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