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Schlage B571643 Aged Bronze One Sided Deadbolt with In Use Indicator

Item #: BCI959275
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Product Details for the Schlage B571643 in Aged Bronze

Schlage Indicator Deadbolt

The Schlage B571 indicator deadbolt is versatile and economical Grade 2 deadbolt for medium duty commercial and heavy duty residential applications. With it's ADA compliant thumbturn and "VACANT" or "IN USE" indicator on the exterior, it is a perfect deadbolt for a public restroom or other room where privacy is needed.


  • Safety Release Key Included
  • Door Bolt Occupancy Indicator
  • Reads "IN USE" or "VACANT"
  • Deadbolt thrown or retracked by inside turn unit
  • Standard metal dustbox included
  • Additional space inside strike box for true deadlatch
  • Deep drawn, single piece steel housing
  • 10% Larger diameter deadbolt
  • Bolt Contains hardened steel pin inside to prevent attack by sawing
  • Large, easy-to-use, ADA compliant thumbturn
  • Adjustable backset with lock-in-place helix design


  • Fits 2-1/8" (55mm) diameter bore hole prep standard
  • Backset: Adjustable 2-3/8" or 2-3/4"
  • Door Thickness: 1-3/8" to 1-3/4" Standard
  • ANSI Grade 2 strength
  • Dead Bolt: 1" throw with saw-resistant hardented steel insert
  • Square Corner Latch Faceplate
  • Warranty: Commercial - Three-year Limited, Residential - Full Lifetime Mechanical
Our SKU: Schlage B571

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

*Denotes a finish or option that has been discontinued

Schlage B571 Reviews

Rated 5 out of 5 by from great product I bought these because of the line at my bathroom and the never ending question " do you have a key for the wash room" these solved the problem, they look nice and they are easy to install. They are of comercial grade and will last a long time.
Date published: 2010-04-16
Rated 5 out of 5 by from Put them on every public restroom Love the quality of this product, and it sure makes it easier to tell if the restroom is occupied before you try the door. Quality is very good, installation is as easy as any other deadbolt. Item arrived before promised, complete and ready to go. Took about an hour to install. If you are installing on a door with a metal jamb that doesn't already have a hole for a deadbolt in the right spot, order a "thimble" for the jamb to dress it up. I ordered mine from my door supplier.
Date published: 2012-04-25
Rated 4 out of 5 by from Privacy deadbolts This product works great for us. We had small hallway restrooms in an older building and these locks allowed us to restrict entry and transformed the rooms from public entry to rooms with some modicum of privacy.
Date published: 2009-03-02
Rated 5 out of 5 by from Good product, good price. I had researched on line for a while before I found You definitely had the best price. The product arrived in just a few days, and was complete and in good condition. I will use you again when I need more hardware, for sure!
Date published: 2009-12-21
Date published: 2010-09-16
Rated 5 out of 5 by from great lock set Perfect lock set for the common bathroom. Not easy to find,but they had it. Fast and efficient service. Thanks
Date published: 2011-06-23
Rated 5 out of 5 by from Fun Deadbolt for my half bath I put this deadbolt in my half bath by my bar where i had a urinal installed. it fit perfect and the novelty of the occupied/vacant display is hilarious and i get lots of comments. easy to install if you have done any kind construction or drywall before.
Date published: 2011-04-20
Rated 5 out of 5 by from Great locksets I use these locksets for all of our student and teacher single restrooms and they are fantastic. I recommend these for anyone to use.
Date published: 2011-04-20
8 Questions from the Community
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Is this a C Keyway? If not, what model of deadbolt in polished chrome do you have that is C keyway?

The Schlage B571 does not have a keyway; it is a one-sided deadbolt. You may want to look at the B60. It has a C keyway.

How would this lock hold up on an exterior restroom door?

The Schlage B571 can be used outside. The durability does depend on the weather conditions. It should do well in moderate conditions. It is best to not use the bronze finishes outdoors because the color will change more quickly over time.

Is this a C Keyway? If not, what model of deadbolt in polished chrome do you have that is C keyway?

The Schlage Schlage B60 has a C keyway and is available in chrome

The photo does not show the thumbturn lever on the toilet room side. I am looking for an ADA lever that will not require tight grasping, pinching, or twisting of the wrist to operate. Will this product meet these requirements?

The Schlage B571 does feature a large, distinguished Thumbturn on the inside that is ADA compliant.

In the picture above the bolt is shown locking to the left. Can it also be used on doors that need a lock on the right side?

The Schlage B571 is a reversable unit and can be installed on a left or right handed application.

Is this lockset handed

This lockset is not handed, it's universal and fully adjustable for 2-3/8 and 2-3/4 backsets.

Will the emergency key unlock and lock the deadbolt?

The emergency key will not lock the deadbolt. It will only release the lock so the door is able to be opened.

What is the standard height of installation?

The Schlage B571 standard height6 inches above the existing knob. or between 41" and 48" above the floor.

Schlage B571 Technical Specs

ANSI Certification A156.5
Approved for Commercial Use Yes
Backset 2-3/4", 2-3/8", Adjustable 2-3/8" or 2-3/4"
Collection B500 Series
Cross Bore 2-1/8"
Door Thickness 1-1/2", 1-3/4", 1-3/8", 1-5/8"
Latch Faceplate Square Corner
Product Class Commercial
Series B500-Series

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