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Professional Discounts -
Professional Discounts -

Kwikset 660SQT Single Cylinder Square Deadbolt

by Kwikset
Original price $50.30
Original price $47.30 - Original price $53.30
Original price $50.30
Current price $27.66
$26.02 - $29.32
Current price $27.66

Spring Savings Sale! Extra discount applied in cart!

Finish: Satin Nickel

Protect your home in style with the Kwikset 660SQT Single Cylinder Square Deadbolt. This reliable deadbolt features Smart Key technology and side locking bar technology, making it easy and secure to enter your home. Choose from a variety of stylish finishes (satin nickel, polished chrome, venetian bronze, matte black and brushed chrome) to perfectly complement your entryway! Install with confidence, knowing your home is safe and secure.

  • 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
  • Featuring SmartKey® Re-key Technology. The lock you can re-key yourself in seconds
  • SmartKey® Re-key technology is compatible with Kwikset (KW1) keyway
  • SmartKey cylinders feature a stainless steel side locking bar, racks and pins for increased strength and security
  • Patented side locking bar technology offers improved security by protecting against lock bumping, an attack technique used to defeat conventional pin & tumbler locks


  • Single Cylinder Deadbolt - 660SQT SMT- Deadbolt unlocked/locked from either thumb turn inside or key outside.  Cylinder on exterior and thumb turn on inside.


    • For 2-3/8 Or 2-3/4" Backset - Drive In, Round Corner, Or Square Corner Latch Applications
    • Radius Corner Strike
    660 Installation Instruction - Click Here
    665 Installation Instructions - Click Here
    Product Specifications - Click Here
    Return Policy

    All items are returnable up to 30 days of receiving your order if they are in new Re-saleable condition, never installed, and in the original packaging. All returns must be processed for a Return Merchandise Authorization before we can receive any returns. See our full Return Policy for more details.


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