|BHMA Certification||Grade 3|
|Backset||2-3/4", 2-3/8", Adjustable 2-3/8" or 2-3/4"|
|Cylinder||SmartKey 5 Pin|
|Door Thickness||1-1/2", 1-3/4", 1-3/8", 1-5/8"|
|Handing||Left, Reversible, Right|
|Latch Faceplate||Drive-In, Round Corner, Square Corner|
Configure your Kwikset 665-3S Double Cylinder Deadbolt with SmartKey from the 660 Series
Free Keying Option more info ▼
Choose "Keyed Alike" to use the same key on multiple locks or "Keyed Different" to ensure that your locks will have different key codes.
Please contact customer service for quotes on master keying or to key multiple manufacturers alike.
Two keys provided per key code.
Latch Type more info ▼Most residential doors are mortised for either a round corner or square corner latch. Drive-in latches do not have a faceplate and are generally used on hollow doors.
Please finish configuring above
Kwikset Double Cylinder Deadbolt with Smart Key from the 660 Series
From Kwikset's Security series this double cylinder deadbolt, locking and unlocking from a key on both sides, would make any door more secure. Now Featuring the SmartKey Cylinder so you can re-key your locks without needing a locksmith.
- Key it Yourself: Lock is rekeyable by using the included learn tool in less than 30 seconds without removing the lock from the door.
- SmartKey cylinders also feature a stainless steel side locking bar, racks and pins for increased strength and security.
- Features a fully adjustable latch to fit all standard door preparations (2-3/8" to 2-3/4" backsets)
- ANSI/BHMA Grade 3 Security
- Crossbore 2-1/8"
- Edge Bore 1"
- Latch Face 1" x 2-1/4"
- Door thickness: 1-3/8"-1-3/4" doors standard.
- Cylinder: 5-pin SmartKey and cannot be keyed to 6 pin keycodes
- Bolt: 1" throw
- Add to a keyed knob or lever for additional security
- Lifetime mechanical and finish warranty
Additional Kwikset Links
Our SKU: 665-S
This product is listed under the following manufacturer number(s):
- Antique Brass
- Antique Nickel
- Polished Brass
- Polished Chrome
- Satin Chrome
- Satin Nickel
- Venetian Bronze
*Denotes a finish or option that has been discontinued
5 Questions from the Community
This is the Smart Key version which allows you to re-key the lock yourself! Just insert the original key along with the included Smart Key tool and then insert your new key.
How does this deadbolt differ from from the 665?
A. This is the Smart Key version which allows you to re-key the lock yourself! Just insert the original key along with the included Smart Key tool and then insert your new key.
Yes, this can be left in the unlocked position. You will need to use the key on both sides to lock and unlock the dead bolt.
Can this double cylinder deadbolt be left in the unlocked position?
A. Yes, this can be left in the unlocked position. You will need to use the key on both sides to lock and unlock the dead bolt.
The Kwikset 665-S will need to be taken to a locksmith to reset the pins unfortunately.
Pulled the key out along with set key before it was changed. Now neither key works. How can I remedy this?
A. The Kwikset 665-S will need to be taken to a locksmith to reset the pins unfortunately.
The Kwikset 665-S can be keyed alike to non-smart key cylinders.
Can these be keyed to an existing door handle lock set that is not a Smartkey lock set? My friend needs deadbolts on her doors and the existing door handle sets use Kwikset keys. I want to key the deadbolts to the same key as the door handles, but the door handle sets are not Smartkey locks, just regular locksets. Will it work?
A. The Kwikset 665-S can be keyed alike to non-smart key cylinders.
Yes, all can be keyed the same.
Would I be able to buy 3 of these and make them all use the same key with the smart key?
A. Yes, all can be keyed the same.
Kwikset 660 Series Deadbolt Collection
Warranties cover the original residential user of Kwikset Products against defects in material and workmanship as long as the original user occupies the residential premises upon which the product was originally installed. This warranty DOES NOT COVER abused or misused products or non-commercial products used in commercial applications.
If a covered defect occurs, email or call 1- 800-327-LOCK (5625) for further assistance. A finish deterioration occurring from the use of paints, solvents or other chemicals is not a defect in the finish and is not covered by this warranty.
Kwikset is not liable for incidental or consequential damages. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion may not apply to you. This warranty gives you specific legal rights and you may also have other rights that vary from state to state. Mechanical and finish warranties are different for each Kwikset brand. One or more brands may be installed in your home (for instance, Kwikset UltraMax Signatures™ on the front door and Kwikset Maximum Security® on interior doors). Contact Kwikset for specific provisions.