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Kwikset 660 Series Single Cylinder Deadbolt

View the entire 660 Series Deadbolt Collection

$13.10 - $15.03

Originally $25.20 - $28.90 , You Save 48%

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Free Keying Option

Free Keying

  • Keyed Alike
  • Keyed Different
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Latch Type

  • Round Corner
  • Square Corner
  • Drive-In

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Product Details for the Kwikset 660

The Single cylinder deadbolt 660 provides tough, effective protection at an affordable price. It is equipped with a full 1" throwbolt. This model locks and unlocks with a key from the outside and a thumbturn on the inside.

  • 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.
  • Bolt: 1" throw

Additional Information

Our SKU: 660

This product is also listed under other manufacturer numbers

  • 660-5
  • 660-15A
  • 660-3
  • 660-26
  • 660-26D
  • 660-15
  • 660-11P

Product Reviews

Overall Rating 5 out of 5 5 out of 5
8 of 8 (100%) customers would recommend this product to a friend.


Product Reviews
Overall: 5 out of 5 5 out of 5
Ritz18
Location: Tacoma, WA
Are you a home improvement professional?: No
Top 500 Contributor Top 500 Contributor
Works great Date: August 23, 2010
"The deadbolt was easy to install & works great!"
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Overall: 5 out of 5 5 out of 5
Adam12

Kwikset 660 (Deadbolt) Date: January 28, 2010
"Exactly what I was looking for. Looks great and matches existing hardware."
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Overall: 5 out of 5 5 out of 5
Gunnygal
Location: Gunnison, Colorado
Great product and service Date: November 2, 2009
"Great service, selection, and website. I had to order one addtional dead bolt and Handlesets had all the information to key it to the other two ordered previously. Great pricing on great products!"
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Overall: 5 out of 5 5 out of 5
Sheba
Location: Monument, CO
Are you a home improvement professional?: No
Great Lock Date: October 17, 2009
"This lock was put on my garage entrance door and was very easy to install. It has a great finish to it (venetian bronze) and looks great. The cost of very inexpensive for the product received."
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Overall: 5 out of 5 5 out of 5
JPQH
Location: Shelley, ID
Are you a home improvement professional?: Yes
Top 100 Contributor Top 100 Contributor
Great Date: October 3, 2009
"Matches other hardware in the house great."
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Overall: 5 out of 5 5 out of 5
pennyrod
Location: Arizona
Are you a home improvement professional?: Yes
Good Product Date: September 13, 2009
"Got just what I needed...a product at a good price, easy to install and one that looks good."
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Overall: 5 out of 5 5 out of 5
boredatwork
Location: Valencia, CA
Are you a home improvement professional?: No
Great value Date: August 23, 2009
"We moved into new office space and needed to install locks on the private office doors. The lock smith wanted to charge us $85 per door to install the locks and have them keyed for a master key. We purchased these, had them keyed for master and saved over $1,200!! They work great and are super easy to install."
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Overall: 5 out of 5 5 out of 5
Gourdhead
Location: Cincinnati, OH
Are you a home improvement professional?: No
Direct replacement for existing Kwikset Date: February 13, 2009
"Was a direct replacement of existing and no modifications were required. Quick and simple.
DISSAPPOINTED NO LONGER MADE IN USA!!!!!!!!!!!!!!!!!!!!
"
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4 Questions from the Community

Have a question about the Kwikset 660? Ask it here

Please provide your contact information so we can respond to your question by email.

The hole through my door is 1-7/8" inches in diameter, not 2-1/8". Will this deadbolt fit?

A. This deadbolt works for doors with a cross bore of 2-1/8". This would not work with your cross bore size. There are some deadbolts (ex: Kwikset 980S-S) that can be configured to work with a 1-1/2" or 2-1/8" Cross Bore. We do not have any deadbolts on this site with 1-7/8" Cross Bore. You could maybe try using one with a slightly smaller cross bore, like the Kwikset 980S-S. But, I believe the deadbolt would not be stable and may not function properly. This Cross Bore measurement is very rare and you may want to consider purchasing a cross bore jig to size your cross bore to the common sizes of 1-1/2" or 2-1/8".

56% of 32 people found this useful. Was this useful? yes (18) | no (14)

Is there a double cylinder option?

A. The double cylinder version of the Kwikset 660 is the Kwikset 665.

50% of 38 people found this useful. Was this useful? yes (19) | no (19)

The existing hole through my door is 2 1/4". Will this deadbolt fit?

A. The Kwikset 660 will be too small as the cross bore size is 2-1/8".

0% of 0 people found this useful. Was this useful? yes (0) | no (0)

I have a door that has a backset of more than 2 3/4 inches. Do you have one that fits that or is adjustable?

A. The back set is the measurement from the center of the bore hole to the edge of the door. The two common sizes are 2 3/8" or 2 3/4". This Kwikset 660 comes standard with a latch that is adjustable to those two sizes. If a different size is needed, there are different latches available for order. There are a number of different latches by size, brand and ones that are only compatible with certain series/collections. These specialty latches have to be ordered separately.

0% of 0 people found this useful. Was this useful? yes (0) | no (0)

Technical Specs

ADA Yes
ANSI Rating A156.5 Grade 3
Backset 2-3/4", 2-3/8", Adjustable 2-3/8" or 2-3/4"
Cross Bore 2-1/8"
Cylinder 5 Pin
Door Thickness 1-3/4", 1-3/8", 1-3/8" to 1-3/4"
Edge Bore 1"
Handing Reversible
Latch Faceplate Drive-in, Round Corner, Square corner
Product Class Residential


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