Kwikset 663SQT-UL.DS UL Rated ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$34.20
$12.47
Kwikset KWI-663SQT-UL.DS UL Rated One Sided Turn Square Deadbolt with 2-3/8" Round Corner Latch and Dual RCS and 5303 Full Lip Strike

Kwikset 663SQT-UL.DS UL Rated One Sided Turn Square Deadbolt with 2-3/8" Round Corner Latch and Dual RCS and 5303 Full Lip Strike

(No reviews yet) Write a Review

Model: 663SQT-15.UL.DS
Selected Finish is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$34.20
$12.47
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Kwikset 663SQT-UL.DS UL Rated One Sided Turn Square Deadbolt with 2-3/8" Round Corner Latch and Dual RCS and 5303 Full Lip Strike

The Kwikset 663SQT-UL.DS One-Sided Turn Square Deadbolt offers heavy-duty security and sleek modern style in one package. With a clean square design and UL fire rating, this one-sided deadbolt is ideal for residential or commercial applications that require strength, safety, and compliance. Featuring a 2-3/8" round corner latch, dual RCS (round corner square) strike plates, and a 5303 full lip strike, this deadbolt delivers maximum reinforcement, precise door alignment, and Kwikset’s trusted durability.

Key Features & Benefits

  • One-Sided Turn Deadbolt
    Operates with an interior thumb-turn only—no exterior keyway—for added security in private or restricted areas.

  • UL Rated for Safety
    Meets UL standards for fire resistance and durability, making it suitable for high-security residential or commercial use.

  • Modern Square Design
    Clean lines and a square rose plate complement contemporary décor and upgrade door hardware aesthetics.

  • 2-3/8" Round Corner Latch
    Sturdy latch ensures smooth operation and compatibility with standard doors.

  • Dual RCS Strike Plates
    Reinforced strike plates provide stronger frame support and reliable locking alignment.

  • 5303 Full Lip Strike Included
    Adds strength and ensures a secure, clean installation.

  • Kwikset Quality
    Backed by a brand known for innovation, durability, and trusted security.

Specifications

   
Product Type One-Sided Turn Deadbolt
Model Number 663SQT-UL.DS
Function Interior thumb-turn only (no key)
Design Style Square, modern design
Latch 2-3/8" Round Corner Latch
Strike Plates Dual RCS + 5303 Full Lip Strike
Rating UL Fire Rated
Door Thickness 1-3/8" to 1-3/4" standard
Application Residential or commercial security
Installation Easy DIY, screwdriver only

 

 

RESOURCES & DOWNLOADS

Kwikset KWI-663SQT-UL.DS UL Rated One Sided Turn Square Deadbolt with 2-3/8" Round Corner Latch and Dual RCS and 5303 Full Lip Strike

Manufacturer Resources

Product Specs

Category:
Mechanical Locks
Product Group:
Mechanical Locks
Product Subgroup:
Deadbolts
Subcategory:
Deadbolts
Commercial/Residential:
Residential
Product Features:
Microban
Product Attribute:
Deadbolts
Product Type:
Deadbolts

Kwikset 663SQT-15.UL.DS – Frequently Asked Questions

How fast can I get the Kwikset 663SQT-15.UL.DS delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Kwikset 663SQT-15.UL.DS come with a warranty?
Absolutely. The Kwikset 663SQT-15.UL.DS is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Kwikset 663SQT-15.UL.DS?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Kwikset 663SQT-15.UL.DS from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!