Schlage Residential B590-308 B...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$7.02
Schlage Residential B590-308 B Series Deadbolt Latch, Square Corner Faceplate

Schlage Residential B590-308 B Series Deadbolt Latch with Square Corner Faceplate

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Model: B590-308-626
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$7.02
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Schlage B590-308 B Series Deadbolt Latch, Square Corner Faceplate

The Schlage B590-308 is a genuine replacement deadbolt latch for Schlage B Series single-cylinder and double-cylinder deadbolts. The square corner faceplate matches standard residential door preparations. Available in five finishes: Bright Brass (605), Satin Brass (609), Matte Black (622), Satin Chrome (626), and Aged Bronze (716).

Compatibility

  • Fits Schlage B Series deadbolt systems
  • Square corner faceplate for standard residential door prep
  • Genuine Schlage replacement component (Model 16-201)

Typical Applications

  • Residential entry door deadbolt maintenance and repair
  • Property management lock servicing
  • Locksmith replacement parts inventory

Note: Confirm backset and faceplate dimensions against Schlage spec sheet before ordering. Refer to the B Series installation instructions for integration guidance.

Manufacturer Resources

Product Specs

Product Group:
Parts and Accessories
Product Subgroup:
Lock Parts and Accessories
Product Type:
Latches
Commercial/Residential:
Residential
Subcategory:
Lock Parts and Accessories
Product Model:
16-201
Product Category:
Parts and Accessories
Department:
Door Hardware

Schlage Residential B590-308-626 – Frequently Asked Questions

1) What is the Schlage B590-308 deadbolt latch and what does it replace?
The B590-308 is the latch bolt assembly itself, the part that goes into the edge bore of the door and throws the bolt into the strike. It is not the whole deadbolt, and it does not include the outside cylinder, the thumbturn, or the strike. Buy it when the bolt on a Schlage B Series residential deadbolt is binding, dragging, or broken but the cylinder and turn are still good. It comes with a square corner faceplate.
2) My deadbolt key turns but the bolt sticks. Do I replace the whole deadbolt or just the latch?
If the key turns freely and the thumbturn moves but the bolt drags, binds, or will not fully extend, the fault is usually in the bolt assembly rather than the cylinder. Replacing just the latch, using the B590-308 on a Schlage B Series deadbolt, keeps the existing keying, so nothing has to be rekeyed and the other doors on the same key stay unaffected. That is the difference that matters on a master keyed building.
3) I need a fire rated latch for a multi-family corridor door - which of these carries a rating?
Two Kwikset parts state a fire rating in their identity: the Kwikset 83518 RCAL Adjustable Square Drive is UL 3 hour, and the Kwikset 83521 RCAL Plain Latch is UL 3 hour for the BBL, KNL, CNL and PLL lock lines. The Kwikset 84290 Square Corner Plainlatch is UL listed at a 2-3/8 inch backset. The Schlage B590-308 is a residential B Series deadbolt latch with a square corner faceplate. For an opening where the AHJ is checking the door assembly against a rated label, buy from the parts that state the rating; for a residential entry or a like-for-like B Series repair, the B590-308 is the matching component.
4) What is the closest square corner deadbolt latch to a Schlage B590-308 if I need a different brand?
The nearest cross-brand match is the Kwikset 84290 Square Corner Plainlatch, a square corner latch cut for a 2-3/8 inch backset and UL listed. Like the Schlage B590-308, it uses a square corner faceplate, so it drops into an edge mortise cut with square corners rather than a radius. The difference is fixed versus brand system: the 84290 is a single 2-3/8 inch backset part, while the B590-308 is the B Series deadbolt latch built to the Schlage B Series bolt and comes in 605 bright brass, 609 satin brass, 622 matte black, 626 satin chrome and 716 aged bronze. Confirm your door's existing backset before ordering the Kwikset, since it does not adjust.
5) I do not know whether the door is bored 2-3/8 or 2-3/4 backset - what deadbolt latch should I use?
Use an adjustable latch when the backset is unverified. The Kwikset 83518 RCAL Adjustable Square Drive is an adjustable latch with a UL 3 hour rating, so one part covers either common residential backset and you measure at the door instead of before the truck leaves. The Schlage B590-308 B Series deadbolt latch with square corner faceplate is the part to bring when the opening is already confirmed as a Schlage B Series deadbolt and you are matching the original component and finish. For a service van carrying one part for unknown doors, the adjustable Kwikset is the safer stock item; for a like-for-like B Series repair, the B590-308 keeps the original bolt system intact.
6) Can I use the Emtek 83228 square corner faceplate instead of a Schlage B590-308?
No. The Emtek 83228 is a faceplate and screws for a tubular pocket door privacy latch with square corners - it is the trim plate and fasteners only, for a privacy/bed/bath pocket door function, with no bolt mechanism. The Schlage B590-308 is the deadbolt latch itself, the bolt assembly and its square corner faceplate together, for a B Series deadbolt. The square corner wording is the only thing the two share. If your deadbolt bolt throws correctly and only the visible plate is damaged, you are looking for a plate; if the bolt itself is worn or binding, you need the latch assembly.
7) What finishes does the Schlage B590-308 deadbolt latch come in, and does it need to match the deadbolt?
Five finishes: 605 bright brass, 609 satin brass, 622 matte black, 626 satin chrome, and 716 aged bronze. The only visible piece is the faceplate on the door edge, so for a repair on an existing deadbolt, order the finish code that matches the deadbolt already on the door. Property managers standardizing a building can order one code across every unit and the edges will match.
8) Is a square corner latch faceplate interchangeable between Schlage and Kwikset?
Not as a rule. Square corner describes the shape of the faceplate, not the length of the plate, the diameter of the latch case, or how the bolt couples to the turn, and those differ by manufacturer. The B590-308 is made for Schlage B Series deadbolts. If the deadbolt on the door is a Kwikset, stay in the Kwikset line, for example the 84290 square corner plain latch, rather than swapping brands at the latch.
9) Does the Schlage B590-308 come with a strike plate for the frame?
No strike is included. The B590-308 is the door side only: the bolt assembly and its square corner faceplate. If the strike in the jamb is worn, split, or the wrong finish, order it separately and match the finish code you pick here.
10) Is the Deltana DLP23875 a substitute for a deadbolt latch?
It is not. The Deltana DLP23875 is a drive-in latch with an adjustable 2-3/8 or 2-3/4 inch backset in a passage/privacy function, meaning a spring latch that retracts with a knob or lever and is used on interior and bathroom doors. The Schlage B590-308 is a deadbolt latch for a B Series deadbolt - a bolt thrown and withdrawn by the turn or key, with no spring return. They occupy different holes on different doors. A passage or privacy latch will not hold a deadbolt's security duty, and a deadbolt latch will not retract off a lever.
11) What do I use if the door edge has no mortise cut for a faceplate?
A drive-in latch. The Deltana DLE23875 Drive in Latch is an entry function drive-in latch fitted for doors 1-3/8 to 2 inches thick, and it seats in the bored hole with a collar instead of requiring a mortised faceplate pocket. The Schlage B590-308 B Series deadbolt latch carries a square corner faceplate, which needs a square corner mortise routed into the door edge. On a new slab with no edge prep, or a repair where the old mortise is chewed out, the drive-in style avoids cutting; on an existing Schlage B Series deadbolt with a clean square mortise already there, the B590-308 matches the prep as cut.
12) What deadbolt latch do I use if the unit is going to electronic access control?
For a motorized bolt, the Emtek LC9-DBLTCH EMPowered Motorized Deadbolt Latch is the deadbolt latch built for Emtek's EMPowered system, where the bolt is driven by a motor rather than a thumbturn or key. The Schlage B590-308 B Series deadbolt latch is a mechanical component for a Schlage B Series deadbolt and is operated by the lock's own turn and cylinder. On a retrofit where the property is moving a block of doors to electronic entry, the motorized latch belongs to that system and is not interchangeable with a mechanical B Series bolt; on doors staying mechanical, the B590-308 keeps the existing hardware as originally built and is offered in 605 bright brass, 609 satin brass, 622 matte black, 626 satin chrome and 716 aged bronze to match the rest of the fleet.
13) Does the Kwikset 83521 plain latch fit a Schlage B Series deadbolt?
It is not the part for that. The Kwikset 83521 RCAL Plain Latch is called out for Kwikset's BBL, KNL, CNL and PLL lock lines and is UL 3 hour rated, so it is matched to those Kwikset chassis. The Schlage B590-308 is the B Series deadbolt latch, built to the Schlage B Series bolt so the tailpiece engagement and faceplate line up with that deadbolt. When a latch is named for a specific lock line, treat it as belonging to that line and match the deadbolt you actually have on the door.
How fast can I get the Schlage Residential B590-308-626 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Schlage Residential B590-308-626 come with a warranty?
Absolutely. The Schlage Residential B590-308-626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Schlage Residential B590-308-626?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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