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Current Finish:

660 Single Cylinder Deadbolt

Model: 660 3

Function: Single Cylinder Deadbolt

The largest-selling deadbolt in America, the 660 series deadbolt provides tough, effective protection at an affordable price.
  • Features adjustable latch & deadbolt to fit all standard door preparations
  • ANSI/BHMA Grade 3 Security
  • Add to a keyed knob or lever for additional security
  • Lifetime mechanical and finish warranty
  • SmartKey® Re-key Technology available through special order
  • Do not use prints made from this website to mark distances.
    Due to individual printers, dimensions on installation instructions may not print at an accurate scale.

  • Kwikset products are backed by one of the most comprehensive warranty programs available. You can feel confident that with the purchase of Kwikset you have selected the best quality product, backed by the best customer service available.

    This product comes with a lifetime mechanical and finish warranty to the original residential user of Kwikset against defects in material and workmanship as long as the original user occupies the residential premises upon which the product was originally installed. One year electronic warranty. This warranty DOES NOT COVER scratches; abrasions; deterioration due to the use of paints, solvents or other chemicals; abuse; misuse; or product(s) used in commercial applications. Upon return of a defective product to Kwikset Corporation, Kwikset may repair or replace the product or refund the purchase price. 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. If a mechanical or finish defect occurs, please call 1-800-327-LOCK (5625) in the U.S. and Canada or return it to Kwikset Corporation, Consumer Services, 19701 Da Vinci, Lake Forest, CA 92610. For customers outside of the U.S. and Canada, claims under this warranty must be made only to either the place of purchase or to the listed importer.

    Consumer Services
    19701 Da Vinci
    Lake Forest, CA 92610
  • Some of our product families have available specialty functions. The specialty products listed below can be ordered through our Wholesale or Distribution Partners. Please refer to our printed catalog for complete specialty products availability.

    Model Number Description Function Name
    664 3 Retrofit Kit for 663 Thumbturn in Polished Brass Conversion Kit
    677 3 Thumbturn One Side with Exterior Plate UL in Polished Brass Single Sided Deadbolt with Exterior Plate UL
  • 660 Single Cylinder Deadbolt in Polished Brass is rated 4.0 out of 5 by 1.
    Rated 4 out of 5 by from Deadbolt locks that are easy to install If you ever need to change your Deadbolt & key the Kwikset components are almost universal. This means that one can usually change out the cylinder and use all the old hardware and latch, the part that moves in & out. The Kwikset brand is especially handy for landlords that need to change locks quickly & often. Another bonus Kwikset give you is the fact that repair parts are often in stock at your local hardware, and the keys somehow duplicate easily & correctly. I can't tell you how many times I've had a key made for a different brand and it didn't work. Kwikset duplicate keys always work the first time for some reason. A little security tip; if you use a foot or so long piece of plumbers strap (metal tape w/holes) screwed along the wooden door frame (behind the molding) to reinforce the hole for the latch - it makes it very difficult to kick in the door. If you need keyed alike locks, the key codes are on the package. So you can match up as many keyed alike locks as needed.
    Date published: 2015-03-26
    • 2015-11-28T06:59CST
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  • Will this work with existing 1.5 inch bore hole

    Asked by: Jack22
    Hello Jack22,Yes, this will install and work properly on a 1.5 inch bore hole.Thank you,Kwikset Support
    Answered by: Wendy F
    Date published: 2015-11-13

    Can i order locks that match my existing lock #s . My locks have a ( 55462 ) #

    Asked by: joed88
    Hello joed88,No. You will have to take your lock to a professional lock smith and have the cylinder set to match your existing lock.Thank you,Kwikset Support
    Answered by: Wendy F
    Date published: 2015-10-23

    I need an extension pack for my Kwikset deadbolt. Not sure but it appears to be a 660 in antique brass. Can I buy one from Amazon?

    Asked by: susan373
    Hello susan373,Kwikset covers their locks under a Limited Lifetime Warranty. For assistance in troubleshooting your lockset and warranty support please contact Kwikset Consumer Service at 1-800-327-5625.Thank you,Kwikset Support
    Answered by: Wendy F
    Date published: 2015-10-06

    Hello, I found your deadbolt in amazon, but I don´t know if it came with Keys, and how many Keys. I saw the smartkey one, and I don´t know too if it came with the Keys and how many. Regards

    Asked by: brunonanni
    Hello brunonanni,All Kwikset locks include a set of keys in the package.Thank you,Kwikset Support
    Answered by: Wendy F
    Date published: 2015-10-04

    How do I re-key a Kwikset deadbolt that does not have the hole that you stick the re-key tool into to reset the tumblers?

    Asked by: JSF
    Hello JSF,If you do not have a SmartKey lock, you can take your lock to a professional locksmith and they can rekey your cylinder for you at a cost.Thank you,Kwikset Support
    Answered by: Wendy F
    Date published: 2015-09-05

    Keyed deadbolt w/set screw on handle. what is size of screw?

    Asked by: vibrant
    Hello Vibrant,This particular deadbolt does not have a set screw with the handle. The other deadbolt with the screw in the handle, uses a 1/16" hex.Thank you,Kwikset Support
    Answered by: Wendy F
    Date published: 2015-09-08

    I have 2 of these deadbolts keyed alike. I need a third. Can I order the third from you ? I know the key numbers. 

    Asked by: Russmust
    Hello Russmust,For the most up to date pricing and availability please visit your local home improvement special order counter or our Where to Buy page: you,Kwikset Support
    Answered by: Wendy F
    Date published: 2015-08-19

    i required 3 deadbolt and 3 lock for my house and all 6 should open with one key?

    Asked by: mjm
    Hello mjm,"Traditional pin and tumbler locks can be re-keyed by a locksmith for a nominal charge. Our new SmartKey product can be re-keyed at the consumer level by following the re-keying instructions, but is not compatible with other brands.The Smart Key product has a secondary small slot located to the left of the key hole that allows you to rekey the lock to your existing key, if there is no secondary slot as shown in the photo, it does not have the Smart Key capability.Steps to re-keying Smart Key units (Note: You must have your Functioning Key and Learn Tool for this to work).1. Insert functioning key & turn 1/4 turn clockwise.2. Insert & remove the SmartKey learn tool. Remove functioning key.3. Insert new key & turn 1/2 turn counter-clockwise. Done. Your lock is now re-keyed!"Thank you,Kwikset Support
    Answered by: Wendy F
    Date published: 2015-06-29
    • 2015-11-28T07:04CST
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