Kwikset 660-26S Polished Chrome Single Cylinder Deadbolt with SmartKey

Item #: bci994119

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Availability based on Finish selected
Polished Chrome
267 In Stock


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Technical Specs

Installation Sheet
Specification Sheet
ANSI Certification A156.2
BHMA Certification Grade 3
Backset 2-3/4", 2-3/8", Adjustable 2-3/8" or 2-3/4"
Collection 660-Series
Cross Bore 2-1/8"
Cylinder SmartKey 5 Pin
Door Thickness 1-1/2", 1-3/4", 1-3/8", 1-5/8"
Edge Bore 1"
Function Single Cylinder
Height 2.5
Latch Faceplate Drive-In, Round Corner, Square Corner
Projection 1, 1.125
Series Kwikset Series
Shape Round
SmartKey Yes
Theme Modern, Transitional, Traditional

Configure your Kwikset 660-26S Single Cylinder Deadbolt with SmartKey

  • Free Keying Option more info ▼

    Choose "Keyed Alike" to use the same key on multiple locks or "Keyed Different" to ensure that your locks will have different key codes.

    Please contact customer service for quotes on master keying or to key multiple manufacturers alike.

    Two keys provided per key code.

  • Latch Type more info ▼

    Most residential doors are mortised for either a round corner or square corner latch. Drive-in latches do not have a faceplate and are generally used on hollow doors.


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Keyed Entry (Single Cylinder) Function: This single cylinder deadbolt is keyed on the exterior with an associated thumb turn on the inside that can quickly and easily lock or unlock the latch mechanism. Single cylinder locks are most commonly used to secure entrances to a residence or place of business.

Product Features:

  • Fully adjustable latch to fit all standard door preparations (2-3/8" to 2-3/4" Backsets)
  • ANSI/BHMA Grade 3 Security
  • Lifetime mechanical and finish warranty
  • Patented side locking bar technology offers improved security by protecting against lock bumping, an attack technique used to defeat conventional pin & tumbler locks.


  • This technology allows you to re-key your lock in seconds with 3 simple steps and features stainless steel racks, pins, and side locking bar for increased strength and security.



  • Backset: Adjustable for 2-3/8" or 2-3/4"
  • Crossbore 2-1/8"
  • Edge Bore 1"
  • Latch Face 1" x 2-1/4"
  • Door thickness: 1-3/8"-1-3/4" doors standard.
  • Cylinder: 5-pin SmartKey cylinder, cannot be keyed alike to a 6 pin cylinder.
  • Bolt: 1" throw

Additional Functions:

  • 660-S (This Model): Single Cylinder Deadbolt
  • 665-S: Double Cylinder Deadbolt

Additional Kwikset Links

Our SKU: 660-S

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

  • Antique Brass
  • Antique Nickel
  • Polished Brass
  • Polished Chrome
  • Satin Chrome
  • Satin Nickel
  • Venetian Bronze

*Denotes a finish or option that has been discontinued

3 Questions from the Community

  • The Kwikset 660-S is only the deadbolt, and will not come with the leverset.

    There are two locks pictured for your 660-S. Do you get both?

    A. The Kwikset 660-S is only the deadbolt, and will not come with the leverset.

  • The Kwikset 660-S features the Smart Key features which is resistant to standard re-keying or bumping methods.

    Do these locks have BumpGuard technology?

    A. The Kwikset 660-S features the Smart Key features which is resistant to standard re-keying or bumping methods.

  • Kwikset keys can be keyed to work with other Kwikset locks.

    Will the key for 660-S work in a 980-S?

    A. Kwikset keys can be keyed to work with other Kwikset locks.

Product Reviews

Rated 5 out of 5 by from Work great I bought five deadbolts keyed the same. They arrived in a timely manner, installed easily and work fine. The price was reasonable after looking around. I was happy to find a service like this.
Date published: 2013-11-05
Rated 5 out of 5 by from Great purchase This was a great purchase for my home. I got everything i ordered and the shipping was on time.
Date published: 2013-08-16
Rated 5 out of 5 by from good customer service Prior to my purchase I had discussed the purpose of the order I was intending to buy. The rep was helpful and knowledgable about the products.
Date published: 2012-06-28
Rated 5 out of 5 by from Great Service, quality and prices. We ordered all the Qwikset door hardware for the new house we were building. Prices were great, quality was great and they look great going up. Our trim carpenter loves Kwikset as he can set the bottom outdoor locks to one key and keep one aside and change them all to a different key when we move in. They shipped quickly and our order was correct. Much less than the big box stores for the same.
Date published: 2012-03-20
Rated 5 out of 5 by from Kwikset hardware Installed easily, looks great.
Date published: 2011-11-08
Rated 5 out of 5 by from Great lockset and great service I ordered two of these and asked for them to be keyed the same and that is indeed how they arrived in perfect working order.
Date published: 2011-09-28
Rated 5 out of 5 by from Kwik Set660-S Easy to install as replaced existing deadbolt. Smooth operation,
Date published: 2011-07-09
Rated 5 out of 5 by from Excellent purchase that fit my needs Matches the rest of the door levers I bought and was easily installed.
Date published: 2011-07-04
  • 2016-08-22T07:48CST
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Kwikset 660 Series Deadbolt Collection

Warranty Info

Warranties cover the original residential user of Kwikset Products against defects in material and workmanship as long as the original user occupies the residential premises upon which the product was originally installed. This warranty DOES NOT COVER abused or misused products or non-commercial products used in commercial applications.

If a covered defect occurs, email or call 1- 800-327-LOCK (5625) for further assistance. A finish deterioration occurring from the use of paints, solvents or other chemicals is not a defect in the finish and is not covered by this warranty.

Kwikset is not liable for incidental or consequential damages. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion may not apply to you. This warranty gives you specific legal rights and you may also have other rights that vary from state to state. Mechanical and finish warranties are different for each Kwikset brand. One or more brands may be installed in your home (for instance, Kwikset UltraMax Signatures™ on the front door and Kwikset Maximum Security® on interior doors). Contact Kwikset for specific provisions.


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