Kwikset 663 Single-Sided Deadbolt Antique Brass

The Kwikset 663 Single-Sided Deadbolt in Antique Brass is designed for interior doors that require simple locking without exterior access. Featuring a thumbturn on one side and no outside trim, it’s ideal for securing bedrooms, storage rooms, or utility spaces. The deadbolt fits doors with thickness from 1-3/8" to 1-3/4" and includes an adjustable latch for flexible installation. Certified ANSI/BHMA Grade 3 and UL fire rated for peace of mind, this deadbolt suits both right- and left-handed doors.