Kwikset 665 Double Cylinder Deadbolt



Details: Kwikset 665 Double Cylinder Deadbolt

The 665 Double Cylinder Deadbolt is the perfect touch of security for any door. Pair it with one of Kwikset's levers or knobs for the ultimate upgrade.

Performance Features

  • Features a fully adjustable latch to fit all standard door preparations
  • ANSI/BHMA Grade 3 Security
  • Fully reversible Lever - Fits both right handed and left handed doors
  • Lifetime mechanical and finish warranty
  • Cylinders feature a stainless steel side locking bar, racks and pins for increased strength and security
  • Patented side locking bar technology offers improved security by protecting against lock bumping, an attack technique used to defeat conventional pin & tumbler locks.

Technical Specifications

Interior turn meets sec. 4.13.9 ADA requirements
ANSI Certification
Adjustable 2⅜" or 2¾"
BHMA Certification
Grade 3
1" throw
5 pin Standard or SmartKey
Cross Bore
Door Thickness
1⅜" to 1¾"
Edge Bore
Functions Available
Single Cylinder, Double Cylinder
Latch Face
1" × 2¼"
Latch Type
Round Corner, Square Corner and Drive-In
Panic Proof
Product Class
Projection, exterior
Projection, interior
Rose Diameter, exterior
Rose Diameter, interior
Thumbturn Length

Kwikset SmartKey: How to Rekey Lock in 4 Easy to Follow Steps

Kwikset SmartKey Troubleshooting: How to Prevent Key from Pulling Out in Any Direction

Kwikset SmartKey Cylinder

Kwikset SmartKey

With Kwikset SmartKey you never have to worry about an intruder finding lost or stolen keys again. Utilizing SmartKey technology, you can easily and quickly re-key your locks in three easy steps. Simply insert the functioning key and turn ¼ clockwise, then insert the SmartKey learn tool and remove the functioning key. Finally, insert your new key and ½ turn it counter clockwise and just like that your security is reset. Kwikset prides themselves on creating ANSI Graded bump guard protected high security door hardware you can trust to be drill and pick resistant. Re-key your SmartKey locks as frequently as you wish while maintaining the highest level of security. Choose from our variety of knobs, levers, deadbolts, handlesets, and electronic locks to upgrade your safety and your home.

SmartKey™ provides security that is resistant against torque attacks, passes the most stringent lock picking standard UL 437, par 11.6. and utilizes BumpGuard™ to prevent lock bumping.

Features of the SmartKey

  • Bump proof and superior pick resistance
  • Secure your home in seconds – SmartKey allows you to re-key your lock in seconds, rendering lost or unreturned keys useless.
  • Advanced protection from kick attacks
  • Highest professional security ANSI/BHMA certified Grade 1

Reasons you will want to re-key

  • Lost, stolen or unreturned keys
  • Recently moved
  • Increase your home's security
  • One-key convenience for all Kwikset locks
  • Remodeling, upgrading or updating

Reasons SmartKey is Superior

Drill Resistance
The lock cylinder uses two steel balls inserted into the front of the key face to resist attack from drilling.
ANSI Grading
SmartKey is available in an ANSI Grade 1 deadbolt - certified the highest level of residential security.
Patented side locking bar technology offers improved protection against lock bumping, an attack technique used to defeat conventional pin tumbler locks.
Superior Pick-Resistance
SmartKey locks have passed the most stringent lock-picking standard, UL 437, par. 11.6.

How the Kwikset SmartKey Works

You will need to have your Functioning Key and Learn Tool for this to work.

  • Functioning Key
    Functioning Key
  • Learn Tool
    SmartKey Learn Tool
  • New Key
    New Key
  1. Re-Key Step 1
    Insert the functioning key & make a 1/4 turn clockwise.
  2. Re-Key Step 2
    Insert & remove the SmartKey learn tool, Then remove the functioning key.
  3. Re-Key Step 3
    Insert the new key & turn 1/2 turn counter-clockwise. Done. Your lock is now re-keyed!

Available Model Numbers and Combinations

Model/SKU Attributes
665SMT 15A KD SmartKey, Keyed Different
665SMT 15A KA SmartKey, Keyed Alike
665SMT 26 KD Bright Chrome, SmartKey, Keyed Different
665SMT 26 KA Bright Chrome, SmartKey, Keyed Alike
665 15A KD Keyed Different
665 15A KA Keyed Alike
665 15A MK
665SMT 26D KD Satin Chrome, SmartKey, Keyed Different
665SMT 26D KA Satin Chrome, SmartKey, Keyed Alike
665 26 KD Bright Chrome, Keyed Different
665 26 KA Bright Chrome, Keyed Alike
665 26 MK Bright Chrome,
665 3 KD Bright Brass, Keyed Different
665 3 KA Bright Brass, Keyed Alike
665 3 MK Bright Brass,

View All Model Numbers and Options