The Kwikset 663 Deadbolt is a one-sided standard duty deadbolt. It is specifically designed for rental property and to protect tenants from someone gaining access with a key. If the tenant is home and has this deadbolt locked, there is no way for anyone to gain access with a key (there is no cylinder on the exterior side).
CATEGORY: Deadbolts
MANUFACTURER: Kwikset Corporation
COLLECTION: Kwikset
PRODUCT FAMILY: 663 Series
STYLE: One-Sided Medium Security Deadbolt
INTERIOR: Thumb turn on interior.
EXTERIOR: Residential Grade 3 Security Deadbolt
1" Throw bolt
FINISH: Satin Chrome - 26D
FUNCTION: One-Sided Deadbolt / Typically used on front or back doors.
This deadbolt is operated by a thumb turn on the interior side only.
WARRANTY: Lifetime Mechanical / 5 Year Finish
SHIPPING WEIGHT: .50 lbs.
Helpful Hint:
- This deadbolt requires a 1-5/8” cross bore halfway through the door thickness only. If your door has been bored completely through the door, you will need to order a 663 (one-sided deadbolt) and 664 (blank plate).
Please contact us with any questions @ 1-866-755-LOCK (5625).
Interior:
C (Base Diameter): 2-1/2"
D (Projection From Door): 1"
E (Thumbturn Base Plate Thickness): 3/8"
F (Thumbturn Length): 1-3/4"
DOOR PREP: Cross Bore: 1-5/8" Halfway through door only (from interior side)
Edge Bore: 1"
Latch Face: 1" x 2-1/4"
BACKSET: 2-3/8" Backset Latch
DOOR THICKNESS: Standard 1-3/8" to 1-3/4"
CYLINDER: N/A
LATCH FACEPLATE: 1" x 2-1/4" Round Corner Faceplate.
STRIKE PLATES: Round corner strike (1" Wide x 2-1/4" Tall).

Need a different strike plate?: Optional Strikes Plates for Purchase
LATCH BOLT: Full 1"
DOOR HANDING: Reversible for right or left hand doors.
ANSI/BHMA: A156.5 Grade 3.
ADA: Turn piece meets 4.13.9 ADA requirements.
Kwikset Warranty
Mechanical & Finish Coverage: Both are covered for as long as the original purchaser occupies the home where the product was installed.
Electronics Coverage: Electronic components are covered for 1 year from purchase.
Authorized Seller Requirement: Warranty applies only to products purchased from Kwikset-authorized sellers (like Door Locks Direct); unauthorized purchases are not eligible.
Exclusions: No coverage for misuse, improper installation, chemical damage, commercial use, modifications, or mixing Kwikset with non-Kwikset trim; warranty is non-transferable.
Claims Process: Proof of purchase and defect description required; Kwikset may provide troubleshooting or replace the product and supplies a prepaid return label if a return is authorized.
For more details please visit Kwikset.com
Schlage Warranty
Mechanical & Finish Coverage: Most Schlage residential products include a Limited Lifetime Mechanical and Finish Warranty.
Electronics Coverage: Smart and electronic products carry a 3-year electronics warranty.
Original User & Authorized Seller Requirement: Warranty applies only to the original residential user, is non-transferable, and requires purchase from a Schlage-authorized seller (like Door Locks Direct).
Exclusions: No coverage for labor, normal wear, improper installation, misuse, environmental damage, commercial/common-area use, or Oil-Rubbed Bronze finish changes.
Schlage Remedy: Upon inspection, Schlage may replace with new/remanufactured product or refund the purchase price; customer must return the product with proof of purchase.
For more details please visit Schlage.com
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