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Kwikset Signature Downtown Single Cylinder Deadbolt, Square Rose, SmartKey, Satin Brass US4

KWI_258SQT4SSTRKP
Backset:
  • 2-3/4 in
  • 2-3/8 in
BHMA Finish:
606 (US4) Satin Brass, Clear Coated
Crossbore Size:
  • 1-1/2 in
  • 2-1/8 in
Cylinder Configuration:
Single Cylinder
Door Thickness:
1-3/8 to 1-3/4 in
All features
A slim, square-rose single cylinder deadbolt from the Kwikset Signature series, with a SmartKey 5-pin cylinder, adjustable 6AL latch and a strike pack, finished in satin brass 606 (US4).
Full description
$66.13
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$66.13
$113.00

A bulky deadbolt can spoil a door with clean, modern hardware. The Kwikset Downtown deadbolt from the Signature series answers that with a square rose and a slim body; the maker states it protrudes 50% less than standard deadbolts. It is a single cylinder lock: a key works it from outside, and a thumb turn works it from inside, where the mounting screws stay exposed.

The cylinder takes the Kwikset SmartKey keyway with 5 pins. The zinc housing carries a satin brass finish, BHMA 606 (US4), clear coated, so it sits well beside other US4 hardware on the same job.

Installation covers most existing preps. The 6AL latch sets to a 2-3/8 in or 2-3/4 in backset, the lock is reversible, and it fits doors from 1-3/8 to 1-3/4 in thick with a 1-1/2 in or 2-1/8 in crossbore. The STRKP strike pack lets you match the jamb you find: square corner, round corner and a 5303 round corner full lip strike are all in the box.

  • Part number: 258SQT-4S.STRKP
  • Function: single cylinder deadbolt, reversible
  • Keyway: Kwikset SmartKey, 5 pins
  • Material and finish: zinc, satin brass 606 (US4)
  • Faceplate: 1 in round or 2-1/4 x 1 in
  • Strikes: 2-1/4 x 1 in, 2-1/4 x 1-5/8 in, 1-1/8 in lip
  • Warranty: limited lifetime mechanical and finish
Backset:
  • 2-3/4 in
  • 2-3/8 in
BHMA Finish:
606 (US4) Satin Brass, Clear Coated
Crossbore Size:
  • 1-1/2 in
  • 2-1/8 in
Cylinder Configuration:
Single Cylinder
Door Thickness:
1-3/8 to 1-3/4 in
Faceplate Size:
  • 1 in round
  • 2-1/4 x 1 in
Finish:
Satin Brass
Finish Code:
US4
Finish Family:
Matte Brass
Handing:
Reversible
Keyway:
Kwikset SmartKey
Keyway Brand:
Kwikset
Manufacturer Warranty:
Limited Warranty: Lifetime Mechanical and Finish
Material:
  • Zinc
Number of Pins:
  • 5
Rose/Escutcheon Design:
Square Rose
Series:
Kwikset Signature
Strike Dimensions:
  • 2-1/4 x 1 in
  • 2-1/4 x 1-5/8 in, 1-1/8 in lip

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