Omnia SQRDB Prodigy Square Sin...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$249.00
$192.64
Omnia Omnia Prodigy Square Single Cylinder Deadbolt OMN-SQRDB

Omnia SQRDB Prodigy Square Single Cylinder Deadbolt with Solid Brass Construction

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Model: SQRDBA34.38.26D
From the Prodigy Collection
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$249.00
$192.64
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Omnia SQRDB Prodigy Square Single Cylinder Deadbolt with Solid Brass Construction

The Omnia SQRDB Prodigy Square Single Cylinder Deadbolt features solid brass construction with a distinctive 2-5/8" square design. This auxiliary deadbolt kit provides keyed exterior access with interior thumbturn operation, designed for 1-3/4" doors with 2-3/8" backset. The unit features 5/8" exterior projection and 1-3/8" interior turnpiece projection for reliable residential security applications.

Key Features

  • Square Design Dimensions: 2-5/8" square profile with precise 5/8" exterior projection and 1-3/8" interior turnpiece projection for consistent installation.
  • Standard Door Compatibility: Designed for 1-3/4" door thickness with 2-3/8" backset for common residential applications.
  • Solid Brass Construction: Heavy-duty solid brass materials provide exceptional durability and corrosion resistance for long-term performance.
  • Single Cylinder Function: Keyed cylinder exterior with thumbturn interior operation provides convenient access control and security.
  • Multiple Finish Options: Available in US3, US4, US10B, US14, US15, US26, and US26D finishes to match existing hardware.
  • Auxiliary Security: Functions as additional locking mechanism where enhanced security is required beyond primary lockset.

Technical Specifications

  • Backset (Distance): 2-3/8"
  • Collection: Prodigy
  • Commercial/Residential: Residential
  • Department: Door Hardware
  • Door Thickness Range: 1-3/4"
  • Lock Function: Deadbolt
  • MAP Policy: Yes
  • Product Attribute: Deadbolts
  • Product Category: Mechanical Locks
  • Product Function: Cylinder x Thumbturn
  • Product Group: Mechanical Locks
  • Product Subgroup: Bored Locksets
  • Product Substrate: Brass
  • Product Type: Deadbolts
  • Subcategory: Deadbolts

Typical Applications

  • Residential Entry Doors
  • Multi-Unit Residential Properties
  • Home Office Security
  • Secondary Access Points
  • Privacy Door Applications
  • Auxiliary Security Installations
  • Custom Home Construction

Why Omnia Prodigy?

Omnia deadbolt products deliver professional-grade reliability with solid brass construction engineered for demanding residential applications. The Prodigy collection combines distinctive square styling with proven mechanical performance for dependable security where enhanced protection is essential.

Manufacturer Resources

Omnia 2026 Door Hardware Catalog

Product Specs

Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Deadbolts
Subcategory:
Deadbolts
Commercial/Residential:
Residential
Lock Function:
Deadbolt
Product Attribute:
Deadbolts
MAP Policy:
Yes
Product Function:
Cylinder x Thumbturn
Door Thickness Range:
1-3/4"
Product Category:
Mechanical Locks
Product Substrate:
Brass
Collection:
Prodigy
Backset (Distance):
2-3/8"
Department:
Door Hardware

Omnia SQRDBA34.38.26D – Frequently Asked Questions

1) Will the Omnia SQRDB Prodigy deadbolt fit a 1-3/8 inch door?
No. The SQRDB Prodigy square deadbolt is built for 1-3/4 inch doors only, with a 2-3/8 inch backset. On a 1-3/8 inch interior or older door you need an adjustable or dual-thickness deadbolt instead, such as the Dexter DB2000 single cylinder, which covers 1-3/8 to 1-3/4 inch, or the Cal-Royal ED500 with adjustable backset over the same range.
2) Does the Omnia Prodigy square deadbolt have an adjustable backset, or is it fixed?
Fixed at 2-3/8 inches. That is the shallower of the two standard residential bore positions, so if your existing cross-bore is drilled at 2-3/4 inches from the door edge the SQRDB will not line up. For a door already prepped at 2-3/4, or where you don't know the prep yet, an adjustable-backset unit like the Brinks Mendocino square deadbolt (4-way adjustable) is the safer order.
3) Is the Omnia Prodigy SQRDB rated for commercial use?
It's a residential deadbolt. Omnia lists the Prodigy square as a residential application, and it's a keyed-outside, thumbturn-inside auxiliary bolt for entry doors, home offices, and multi-family unit doors. For a commercial opening where a spec calls out a graded deadbolt, look at the Accentra D111 Grade 1 or the Corbin Russwin DL3211 Grade 1 cylindrical deadlock instead.
4) Can I get the Omnia square deadbolt keyed on both sides for a door with glass next to it?
No. The SQRDB Prodigy is single cylinder only, key outside and thumbturn inside. Where glass is within reach of the turn and local code permits a double cylinder, a matching square-trim double cylinder option is the Baldwin Reserve Contemporary Square Deadbolt, or the Bravura 310SC Elite in Grade 2. Check your local egress code before going double cylinder on a dwelling unit.
5) What is the closest square-trim single cylinder deadbolt alternative to the Omnia SQRDB Prodigy?
The Omnia SQRDB Prodigy is a solid brass square-rose deadbolt in a cylinder x thumbturn function. For the same square look and function from another maker, the Bravura 310SC Elite is a Grade 2 contemporary square deadbolt in cylinder x thumbturn, and the Brinks Mendocino E2402 is a contemporary square single cylinder deadbolt in cylinder x thumbturn with a 4-way adjustable backset. The Callan Model 200S is a Grade 3 single cylinder square trim deadbolt in the same function. The SQRDB is fixed at a 2-3/8 inch backset, while the Mendocino and the Callan-style adjustable units cover more than one backset from a single carton.
6) I need a deadbolt with an ANSI grade for a commercial opening - what should I use instead of the Omnia SQRDB?
The Omnia SQRDB Prodigy is classed for residential use. For a graded commercial deadbolt in the same cylinder x thumbturn function, the Accentra D111 is Grade 1 with a 2-3/8 inch backset and fits 1-3/8 to 1-3/4 inch doors, and the Cal-Royal CRB800 is a heavy duty Grade 1 single cylinder deadbolt with a UL 3-hour fire rated latch. The Hager 3215 is a Grade 2 single cylinder deadbolt with a 1 inch throw, fire rated, for 1-3/8 to 1-3/4 inch doors. Deltana CL200LM is a Grade 1 single cylinder option as well.
7) The Omnia SQRDB is 2-3/8 inch backset only - what do I order for a 2-3/4 inch backset door?
The Omnia SQRDB Prodigy is built to a 2-3/8 inch backset. For a 2-3/4 inch prep, the Deltana CL200LA is a Grade 2 single cylinder deadbolt with a 2-3/4 inch backset, and the CL200LAIC is the same lock prepped for an interchangeable core without the cylinder. If you would rather carry one part that covers either prep, the Cal-Royal ED500 is a Grade 3 single cylinder deadbolt with adjustable backset for 1-3/8 to 1-3/4 inch doors, and the Brinks Raleigh E2401 is a round single cylinder deadbolt with a 4-way adjustable backset.
8) The Omnia SQRDB is listed for 1-3/4 inch doors - what deadbolt covers thinner or thicker doors?
The Omnia SQRDB Prodigy Square is specified for 1-3/4 inch door thickness. For a thinner leaf, the Dexter DB2000 single cylinder is Grade 2 for 1-3/8 to 1-3/4 inch doors and the Dexter DB1000 single cylinder is Grade 1 for 1-3/8 to 1-7/8 inch. Going thicker, the Deltana 7312KA2 is a Grade 3 double cylinder deadbolt covering 1-3/8 to 2 inch doors, and the Corbin Russwin DL3011 Grade 1 cylindrical deadlock covers 1-3/4 to 2-1/4 inch, though that one is cylinder x blank rather than a thumbturn.
9) Can I key the Omnia SQRDB into a small format interchangeable core master key system?
The Omnia SQRDB Prodigy Square is a keyed single cylinder deadbolt supplied as a complete auxiliary kit. If the opening has to join an SFIC master key system, the Arrow E61 is a Grade 2 single cylinder deadlock with SFIC prep supplied less core for 1-3/8 to 1-3/4 inch doors, the Deltana CL200LAIC is a Grade 2 interchangeable core deadbolt less cylinder with a 2-3/4 inch backset, and the Delaney LM Series is a Grade 1 single cylinder less core deadbolt. Those let your locksmith drop in your own core rather than rekey a fixed cylinder.
10) Which deadbolts that come up next to the Omnia SQRDB are not actually substitutes for it?
A few items sit in the same deadbolt family but will not replace the Omnia SQRDB Prodigy, a bored cylinder x thumbturn deadbolt for a 2-3/8 inch backset bore. The Arrow 460 is a mortise lock strike, not a lock. The BEST 8T is a tubular deadbolt tube component rather than a complete lock, and the Baldwin 8BR0618001 is a deadbolt spacer. The Emtek 2050 and 2051 are European mortise deadbolts with an integrated roller latch, which need a mortise pocket rather than a bored hole. The DynaLock 1300 is a mortise electric deadbolt, and the Detex DX Series is a hinge-side multi-point locking deadbolt. The Corbin Russwin DL2211 and DL3211 are cylinder x blank deadlocks with no interior thumbturn.
11) How far does the Omnia SQRDB deadbolt stick out from the door face?
The exterior cylinder side projects 5/8 inch and the interior turnpiece projects 1-3/8 inches. The trim itself is a 2-5/8 inch square. Those numbers matter on a door with a tight storm door, a sidelite return, or a narrow jamb reveal, where a tall turnpiece can foul the swing.
12) I manage apartments and want one square deadbolt across all the unit doors. Is this the right choice?
It works if your doors are uniformly 1-3/4 inch with a 2-3/8 inch backset, which is typical of multi-family entry doors. The SQRDB is fixed to that prep, so any door drilled at 2-3/4 will need a different bolt. Solid brass construction and seven finishes make it practical to standardize the look across a building. If the doors vary, a range-covering unit such as the Dexter DB2000 single cylinder is easier to buy in volume.
13) Is the Omnia SQRDB a complete lockset or just a deadbolt?
Deadbolt only. It's an auxiliary bolt with no latch and no handle, so it goes above a knob or lever entry set, not in place of one. If you want one keyed unit that combines a lever latch with a deadbolt above it, that's an interconnected lock, such as the Falcon H2101 entrance lock with single cylinder deadbolt.
14) What's the difference between the Omnia Prodigy square deadbolt and a European mortise deadbolt?
The Prodigy SQRDB is a bored deadbolt: it drops into a standard cross-bore at a 2-3/8 inch backset, which is why it's a straightforward swap on an ordinary prepped door. A European mortise deadbolt like the Emtek 2050 square needs a mortise pocket routed into the door edge and carries an integrated roller latch. Mortise means more door prep and typically a new door or a shop-machined one.
15) What is the double cylinder equivalent of the Omnia SQRDB square deadbolt?
The Omnia SQRDB Prodigy is a single cylinder unit, keyed outside with a thumbturn inside. For a keyed-both-sides square deadbolt, the Baldwin Reserve Contemporary Square deadbolt is a double cylinder function, and the Baldwin Estates 8011 is a 1-5/8 inch contemporary double cylinder. Other double cylinder choices include the Callan Model 210S in Grade 3, the Delaney LU Series in Grade 2, and the Design Hardware D1 Series, a Grade 1 extra heavy duty double cylinder for 1-3/4 inch doors. Keyed-both-sides deadbolts are restricted on egress doors in many jurisdictions, so confirm code before specifying.
16) I want a keyless or electronic version of a deadbolt like the Omnia SQRDB - what are the options?
The Omnia SQRDB Prodigy is a mechanical key-and-thumbturn deadbolt with no electronic function. For keyless operation, the Codelocks CL200 is a light duty surface deadbolt with mechanical code entry and key override, and the CL2200 is a medium duty electronic surface deadbolt. The Delaney KP400 is a Grade 2 electronic deadbolt with a programmable remote, and for multifamily credential systems the Dormakaba Saffire LX-D is an RFID electronic deadbolt with BLE and electronic lock override while the Nova-D is an RFID multihousing smart deadbolt. If you only need inside-only locking with no key at all, the Arrow E60 is a Grade 2 non-keyed exit deadlock, blank plate outside and thumbturn inside.
17) Is there a deadbolt like the Omnia SQRDB with an easier-to-grip thumbturn for accessibility?
The Omnia SQRDB Prodigy has a 1-3/8 inch interior turnpiece projection on a standard thumbturn. Where grip is a concern, the Cal-Royal LSD is a Grade 3 single cylinder deadbolt with an ADA ergonomic thumbturn for 1-3/8 to 1-3/4 inch doors, in the same cylinder x thumbturn function. If the concern is cylinder attack rather than grip, the Cal-Royal CB160 is a Grade 2 single cylinder deadbolt with a tamper-resistant cylinder guard.
18) For an apartment entry door, should I use the Omnia SQRDB deadbolt or an interconnected lock?
The Omnia SQRDB Prodigy is an auxiliary deadbolt, meant to add a second point of locking above a separate knob or lever set on 1-3/4 inch doors. If you would rather have one device where the lever retracts the deadbolt on egress, the Falcon H2101 is a Grade 2 entrance interconnected lock with a single cylinder deadbolt built in. The Falcon D211 Grade 2 and D111 Grade 1 are standalone classroom-function deadbolts in cylinder x thumbturn if you want to keep the deadbolt separate but step up the duty level.
19) I want the same decorative solid brass feel as the Omnia SQRDB but in a different style - what else is there?
The Omnia SQRDB Prodigy is solid brass with a 2-5/8 inch square rose, offered in oil-rubbed black, polished and satin nickel, polished and satin chrome, and polished and satin brass. For a different decorative look in the same cylinder x thumbturn function, the Emtek #11 Tuscany is a lost wax cast bronze deadbolt, and the Emtek 8323 Modern Disc is a brass deadbolt in a round disc trim, though the 8323 is double cylinder. Baldwin Estates 8011 is a 1-5/8 inch contemporary rose, a tighter trim footprint than the 2-5/8 inch square.
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Does the Omnia SQRDBA34.38.26D come with a warranty?
Absolutely. The Omnia SQRDBA34.38.26D is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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