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https://www.mccoys.com/shop/p/5989637-052303-28/kwikset-signature-series-780-3-smt-6al-strkp-k3-deadbolt-2-grade-keyed-key-zinc-polished-brass-kw1-keyway
Kwikset

Signature Series 780 3 SMT 6AL STRKP K3 Deadbolt, 2 Grade, Keyed Key, Zinc, Polished Brass, KW1 Keyway

Sku: 5989637-052303-28
$44.29 / Box
51 Available at SHIP TO STORE
Estimated Arrival On: 12/18/2025

Kwikset Signature Series 780 Deadbolt, Design: Traditional, Security Grade: 2, Number of Cylinders: 1, Cylinder Type: Pin, Tumbler, Keyway Type: KW1, Key Type: Keyed, Re-Key Technology: SmartKey, Strike Type: Round, Square Corner, Strike Size: 1-1/4 x 3-5/8 in, Backset Type: Adjustable, Backset Size: 2-3/8 to 2-3/4 in, Latch Type: 6-Way, Adjustable, Throw Length: 1 in, Cross Bore Diameter: 2-1/8 in, Edge Bore Diameter: 1, Projection Size: 1-1/8, 15/16 in, Door Thickness: 1-3/8 to 1-3/4 in, Interior Locking: Turn Piece, Zinc, Polished Brass, Dimensions: 1-1/8 in L x 2-5/8 in W x 2-5/8 in H, Includes: (2) Keys, Latch, Strike, Screws and SmartKey Tool

  • Designer style and excellent security with this Kwikset Signature Series™ product
  • For use on exterior doors where keyed entry and security is needed
  • Deadbolt operated by key outside and thumb turn inside
  • Latch has three interchangeable faceplates; round corner, square corner and drive-in collar
  • Locking mechanism functions with turnpiece on the interior of the lock
  • Easily installs in minutes with just a screwdriver
  • Microban antimicrobial product protection keeps door hardware 99.9% cleaner than unprotected surfaces

Design
Traditional
Security Grade
2
Number of Cylinders
1
Cylinder Type
Pin, Tumbler
Keyway Type
KW1
Key Type
Keyed
Re-Key Technology
SmartKey
Strike Type
Round, Square Corner
Strike Size
1-1/4 x 3-5/8
Backset Type
Adjustable
Backset Size
2-3/8 to 2-3/4
Latch Type
6-Way, Adjustable
Throw Length
1
Cross Bore Diameter
2-1/8
Edge Bore Diameter
1
Projection Size
1-1/8, 15/16
Door Thickness
1-3/8 to 1-3/4
Interior Locking
Turn Piece
Material
Zinc
Finish
Polished Brass
Dimensions
1-1/8 in L x 2-5/8 in W x 2-5/8 in H
Includes
(2) Keys, Latch, Strike, Screws and SmartKey Tool

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