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Kwikset 660 663 Square

Deadbolt Functions:


Single Cylinder (660) - is operated with a key from the exterior and a thumbturn from the interior.
                                          (Sngl. Cyl. - SMT) - Smart Key Cylinder with Bumpguard.

One Sided Deadbolt (663) - is operated by a thumbturn from the interior.  No trim on exterior.


Select preferred finish (5 finishes available) and function (2 functions available) to view detailed product information.
  • Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Matte Black / 660SQT 514 SMT

    Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Matte Black / 660SQT 514 SMT

    Kwikset


    • Single Cylinder Deadbolt
    • Keyed Exterior Side Only
    • SmartKey
    • BHMA Certified Residential Grade 3
    • Matte Black
  • Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Venetian Bronze / 660SQT 11P SMT

    Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Venetian Bronze / 660SQT 11P SMT

    Kwikset


    • Single Cylinder Deadbolt
    • Keyed Exterior Side Only
    • SmartKey
    • BHMA Certified Residential Grade 3
    • Venetian Bronze
  • Kwikset / 663SQT Square Deadbolt / One-Sided / Matte Black / 663SQT 514

    Kwikset / 663SQT Square Deadbolt / One-Sided / Matte Black / 663SQT 514

    Kwikset


    • One-Sided Deadbolt
    • No Keyway
    • Cross Bore 1-5/8 Halfway Through Door
    • Operated by Thumbturn on Interior
    • BHMA Certified Residential Grade 3
    • Matte Black
  • Kwikset / 663SQT Square Deadbolt / One-Sided / Venetian Bronze / 663SQT 11P

    Kwikset / 663SQT Square Deadbolt / One-Sided / Venetian Bronze / 663SQT 11P

    Kwikset


    • One-Sided Deadbolt
    • No Keyway
    • Cross Bore 1-5/8 Halfway Through Door
    • Operated by Thumbturn on Interior
    • BHMA Certified Residential Grade 3
    • Venetian Bronze
  • Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Satin Nickel / 660SQT 15 SMT

    Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Satin Nickel / 660SQT 15 SMT

    Kwikset


    • Single Cylinder Deadbolt
    • Keyed Exterior Side Only
    • SmartKey
    • BHMA Certified Residential Grade 3
    • Satin Nickel
  • Kwikset / 663SQT Square Deadbolt / One-Sided / Satin Nickel / 663SQT 15

    Kwikset / 663SQT Square Deadbolt / One-Sided / Satin Nickel / 663SQT 15

    Kwikset


    • One-Sided Deadbolt
    • No Keyway
    • Cross Bore 1-5/8 Halfway Through Door
    • Operated by Thumbturn on Interior
    • BHMA Certified Residential Grade 3
    • Satin Nickel
  • Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Polished Chrome / 660SQT 26 SMT

    Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Polished Chrome / 660SQT 26 SMT

    Kwikset


    • Single Cylinder Deadbolt
    • Keyed Exterior Side Only
    • SmartKey
    • BHMA Certified Residential Grade 3
    • Polished Chrome
  • Kwikset / 663SQT Square Deadbolt / One-Sided / Polished Chrome / 663SQT 26

    Kwikset / 663SQT Square Deadbolt / One-Sided / Polished Chrome / 663SQT 26

    Kwikset


    • One-Sided Deadbolt
    • No Keyway
    • Cross Bore 1-5/8 Halfway Through Door
    • Operated by Thumbturn on Interior
    • BHMA Certified Residential Grade 3
    • Polished Chrome
  • Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Satin Chrome / 660SQT 26D SMT

    Kwikset / 660SQT Square Deadbolt / Single Cylinder - SmartKey / Satin Chrome / 660SQT 26D SMT

    Kwikset


    • Single Cylinder Deadbolt
    • Keyed Exterior Side Only
    • SmartKey
    • BHMA Certified Residential Grade 3
    • Satin Chrome
  • Kwikset / 663SQT Square Deadbolt / One-Sided / Satin Chrome / 663SQT 26D

    Kwikset / 663SQT Square Deadbolt / One-Sided / Satin Chrome / 663SQT 26D

    Kwikset


    • One-Sided Deadbolt
    • No Keyway
    • Cross Bore 1-5/8 Halfway Through Door
    • Operated by Thumbturn on Interior
    • BHMA Certified Residential Grade 3
    • Satin Chrome