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L Series Grade 1 Mortise Deadbolt

Based on an L Series mortise chassis, these leverless, purely deadbolt locks in 4 functions offer a secure solution with or without indicator options.


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Part of the L Series family, these non-lever deadbolts share the strength and durability of the large case mortise chassis to deliver a secure solution in a simplified lock form. Able to withstand the rigors of daily use without fail, these locks are served by some of the most secure key systems in the industry. You can use L Series mortise deadbolts as part of a common aesthetic. They are made to suite with other Allegion products to present a quality, complete door hardware solution and provide a consistent user experience throughout your building or campus. L Series does all this while lowering the total cost of ownership through maintenance ease, key system flexibility and beautiful finishes that are made to last.

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Mechanical Locks

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  • Tested and certified to ANSI/BHMA Grade 1 operational and security standards
  • UL Listed for 3-hour fire door
  • Deadbolt features include anti-saw pin in bolt to prevent cut-through
  • Patented Everest 29™ S123 keyway is provided standard which prohibits unauthorized key duplication 
  • Restricted geographically exclusive Primus upgraded security options offer advanced key control and exceptional physical security


  • Available in sectional or L escutcheon trim options 
  • 12 available finishes 
  • Lock status indication trim option available in four message types uses red and white backgrounds to ensure quick readability for color blind individuals
  • Patented 180-degree visibility indicator trim option for locked/unlocked status 


Built to Last

  • Every Schlage lock undergoes intensive testing to determine its ANSI grade level. 
    •    Cycle tests 
    •    Resistance tests 
    •    Door impact tests 
    •    Warped door tests 
    •    Bolt strength tests 

All functions listed are available with 180-degree visibility indication trim options. Unless otherwise marked, indication is offered as single-interior, single-exterior, and as dual-sided trims. For more information on lock status indication trims go to L Series Grade 1 Mortise Indication Trims.

  • L9460 Cylinder x thumbturn mortise deadbolt (ANSI F17)
  • L9462 Double cylinder mortise deadbolt (ANSI F16)
  • L9463 Cylinder x cylinder thumbturn mortise deadbolt (ANSI F29)
  • L9464 Cylinder only mortise deadbolt (ANSI F18) (indication trim option available on exterior only)
  • Six L Series small case mortise deadbolt functions also availalble (see separate web page for details)


  • Case: Cold Rolled Steel (CRS) with corrosion resistant zinc dichromate plating
  • Case size: 4-7/16" x 6 1/16" x 1" (113 mm x 154 mm x 25 mm)
  • Door thickness: 1-3/4" (44 mm) standard; 1-3/8" (35 mm) minimum; specify door thickness if  over 1-3/4" and position in door (EE, EI, EO, ED)
  • Field reversible handing 


Trim Options

  • Three thumbturn styles available: standard ADA, large ADA (not available on L9463), and basic
  • L escutcheons: cold-forged brass and Stainless Steel;  7 15⁄16” x 1 3⁄4” x 7⁄16” (202 mm x 44 mm x 11 mm)
  • Trim: Sectional (top portion only) or escutcheon (lower portion is blank)  
  • Viewing windows for optional indication trim are made from high-density polycarbonate for durability
  • Available 1/8" thick lock case lead lining option for use in X-ray or other rooms with radiation concern



  • Deadbolt: 1" (25 mm) throw stainless steel
  • Backset: 2-3/4" (70 mm) only
  • Armor: Standard - 1-1⁄4" x 8" x 7⁄32" (32 mm x 203 mm x 6 mm); Optional - 1-1⁄16" x 8" x 7⁄32"  (27 mm x 203 mm x 6 mm) 
  • Strike: 1-1/4" x 4-7/8" (32 mm x 124 mm), no lip standard (optional dust box available) 


  • ANSI/BHMA A156.13-2017 Series 1000, Grade 1 operational and security 
  • With FSIC interchangeable core cylinders: Grade 1 operational, Grade 2 security
  • With SFIC interchangeable core cylinders: Grade 1 operational, Grade 3 security



  • Complies with ICC A117.1 Accessible and Usable Buildings and Facilities          



  • UL 10C and CAN/ULC-S104 listed 3-hour fire door 
    • A label single doors, 4' x 10' and pairs 8' x 10'        
    • Letter F and UL symbol on latch front indicate listing
  • UL 437 listed when using Primus high-security UL 437 cylinder



  • Miami-Dade NOA and Florida Building Commission listings
  • Texas Department of Insurance (TDI) for impact and non-impact applications



  • Meets BAA (Buy American Act)


Mortise lock and cylinder front housing finishes

605 Bright brass

605 Bright brass


606 Satin brass


609 Antique brass


612 Satin bronze


613 Oil rubbed bronze


619 Satin nickle


622 Matte black


625 Bright chrome


626 Satin chrome


629 Bright stainless steel


630 Satin stainless steel


643e Aged bronze (simulated equivalent)

Key cylinder, plug and core face finishes


606 Satin brass


522 Bronze (simulated equivalent)


622 Matte black


626 Satin chrome

Open keyways upgradeable to Primus RP


Patented keyways upgradeable to Primus XP

  • Everest 29™ S keyways include S123 (default keyway)
  • Everest 29™ T restricted keyways 
  • Everest 29™ R restricted keyways as SL cylinders in conventional or FSIC formats with the same A2 pinning style of an SFIC cylinders
  • Everest 29™ keyways gain restricted, geography exclusivity in a Primus XP cylinder
  • Available in Conventional and FSIC cylinder formats


Small Format Interchangeable Cores (SFIC)

  • Everest 29™ R restricted keyway family


Master Keying

  • Factory master keying available

Need Replacement Parts?

Get the resources you need to get in touch with an Allegion team member for Schlage replacement parts.


Additional Resources

Did You Know?

Carrying on the legacy of the groundbreaking push-button lock, Schlage changed the game again with its descendent in 2019—the ALX Series. This series features a patent-pending chassis and revolutionary new modular design.

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As part of Allegion’s family of pioneering brands, Schlage benefits from the strength, efficiencies, resources, and integration from a global power. In turn, we pass those advantages on to you.

Allegion helps keep people safe and secure where they live, work and visit. With more than 30 brands sold worldwide, we specialize in security around the doorway and beyond. It’s the power of one.

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