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

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