The Kwikset 660 Deadbolt is a single cylinder medium security deadbolt which provides tough, effective protection at an affordable price.
CATEGORY: Deadbolts
MANUFACTURER: Kwikset Corporation
COLLECTION: Kwikset
PRODUCT FAMILY: 660 Series
STYLE: Single Cylinder Medium Security Deadbolt
INTERIOR: Thumbturn on interior.
EXTERIOR: Residential Grade 3 Security Deadbolt / 1" Throwbolt
KEYED CYLINDER: Traditional / Pin & Tumbler / 5-Pin Key System
FINISH: Satin Nickel - 15
FUNCTION: Single Cylinder Deadbolt / Typically used on front or back doors.
The deadbolt is operated by a key on the exterior and a thumbturn on the interior.
WARRANTY: Manufacturer - Lifetime Mechanical / Lifetime Finish
SHIPPING WEIGHT: 1.20 lbs.
Please contact us with any questions @ 1-866-755-LOCK (5625).

Exterior:
A (Base Diameter): 2-1/2"
B (Projection From Door): 1-1/8"
Interior:
A (Base Diameter): 2-1/2"
B (Projection From Door): 1"
C (Thumbturn Length): 1-3/4"
D (Thumbturn Base Plate Thickness): 3/8"
DOOR PREP: Cross Bore: 2-1/8""
Edge Bore: 1"
Latch Face: 1" x 2-1/4"
BACKSET: Adjustable to 2-3/8" or 2-3/4"
DOOR THICKNESS: 1-3/8" to 1-3/4" only.
Optional 2-1/4" thick door pack (See Lock Parts and Accessories #86129)
KEYED CYLINDER: Traditional / Pin & Tumbler / 5-Pin Key System
LATCH FACEPLATE: 1" x 2-1/4" Round Corner Faceplate.

STRIKE PLATES: Round corner strikes (1" Wide x 2-1/4" Tall) and Full Lip Strike (2-1/4" Tall x 1-3/4" Wide).

Need a different strike plate?: Optional Strikes Plates for Purchase
LATCH BOLT: Full 1" Solid Core
DOOR HANDING: Reversible for right or left hand doors.
ANSI/BHMA: A156.5 Grade 3.
ADA: Interior 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
2 Reviews
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Kwikset 660 Deadbolt
On Friday I received the Kwikset 660 Deadbolt. I installed it on the following Sunday. Instruction were great and it works well.
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Locks purchased
We love them. Looks were great. All components were more than enough. Will recommend to all our friends.
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