Mortise Lock

A mortise lock fits into a deep pocket cut into the door edge, rather than through a round bore like a cylindrical lockset. That construction is why mortise locks are the standard for commercial buildings, schools, and apartment entries: the heavy cast or steel lock body withstands decades of high traffic, integrates deadbolt and latch in one unit, and offers far more functions (entry, classroom, storeroom, privacy, passage) than a cylindrical lock.

When choosing a mortise lock, start with the function you need on that door. An office function locks from outside while always allowing free egress. A storeroom function is always locked outside. An entrance function adds a deadbolt for after-hours security. Then confirm handing (left or right hand, regular or reverse bevel), backset, and whether you need it keyed into an existing system. Most of the mortise locks we sell accept standard or high-security cylinders, so you can upgrade key control without changing the lock body.

We carry Grade 1 commercial mortise locks from Marks USA, Sargent, Corbin Russwin, Yale, and others, including ornamental and storm-door mortise locks if your application is a gate or security screen door. If you're replacing an old mortise lock, send us a photo and measurements and we'll match it.

Mortise Lock

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  • L283-414 622 Schlage Indicator
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    Schlage L283-414 622 Occupied/Vacant Indicator, Flat Black

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-414 is a sectional cylinder indicator for interior and exterior doors, displaying "OCCUPIED/VACANT" status with high-contrast colors for quick visual assessment. Ideal for...
    Qty in Cart: 0
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    Price:
    MSRP: $150.00
    $105.75
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  • L283-417 643E Schlage Indicator
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    L283-417 643E Schlage Indicator

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-417 643E is an inside indicator for L Series sectional locksets, featuring a thumbturn mechanism with "LOCKED/UNLOCKED" messaging in aged bronze. Its 2" x 1/2" display with...
    Qty in Cart: 0
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    Price:
    MSRP: $150.00
    $105.75
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  • Schlage L283-417 626 L583-363 Indicator Lock Status Display Satin Chrome
    Quick view

    Schlage L283-417 626 L583-363 Indicator Lock Status Display Satin Chrome

    Schlage
    MSRP: $150.00
    $105.75
    This Schlage L Series sectional indicator is an ADA-compliant thumbturn upgrade that displays LOCKED/UNLOCKED status on your door's inside. The 2" x 0.5" high-contrast display (white/red or...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $150.00
    $105.75
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  • Schlage L283-417 606 Door Indicator, Satin Brass
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    Schlage L283-417 606 Door Indicator, Satin Brass

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-417 606 is an inside door indicator that displays LOCKED/UNLOCKED status with a 2" x 0.5" high-contrast display. Ideal for offices, schools, and hospitals, it solves the problem of...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $150.00
    $105.75
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  • L283-413 605 Schlage Indicator
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    L283-413 605 Schlage Indicator

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-413 605 Indicator is a sectional cylinder indicator for L Series locks that displays LOCKED/UNLOCKED status with a 2" x 0.5" bright brass window visible from distance and at any...
    Qty in Cart: 0
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    Price:
    MSRP: $150.00
    $105.75
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  • Schlage L283-418 606 Occupied/Vacant Indicator, Satin Brass
    Quick view

    Schlage L283-418 606 Occupied/Vacant Indicator, Satin Brass

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-418 606 is a sectional door indicator for bathrooms, conference rooms, and private offices. This inside-mounted thumbturn indicator clearly displays "Occupied" or "Vacant" status...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $150.00
    $105.75
    Subtotal:
  • L283-414 606 Schlage Indicator
    Quick view

    Schlage L283-414 606 Occupied/Vacant Indicator, Satin Brass

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-414 606 is a sectional cylinder indicator for interior and exterior doors, displaying "OCCUPIED/VACANT" status with high-contrast colors (white/red, black/white) for instant visual...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $150.00
    $105.75
    Subtotal:
  • Schlage L283-418 626 L583-363 Occupied/Vacant Indicator, Satin Chrome
    Quick view

    Schlage L283-418 626 L583-363 Occupied/Vacant Indicator, Satin Chrome

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-418 is a sectional occupied/vacant indicator for interior doors, designed for offices, restrooms, and meeting spaces. This ADA-compliant thumbturn upgrade displays "OCCUPIED" and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $150.00
    $105.75
    Subtotal:
  • L283-417 622 Schlage Indicator
    Quick view

    L283-417 622 Schlage Indicator

    Schlage
    MSRP: $150.00
    $105.75
    L283-417 622 Schlage IndicatorIndicator, L Series, Sectional, Thumbturn, "LOCKED/UNLOCKED", Inside, Flat Black Coated 2" x 1 ⁄2" display for easy viewing at a distance 180° windows for visibility...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $150.00
    $105.75
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  • L283-418 630 Schlage Indicator
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    Schlage L283-418 630 Occupied/Vacant Indicator, Satin Stainless Steel

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-418 630 is an occupied/vacant indicator for interior doors, designed for schools, offices, and healthcare facilities that need quick visual confirmation of room status. The 2" x 0.5"...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $150.00
    $105.75
    Subtotal:
  • L283-413 622 Schlage Indicator
    Quick view

    Schlage L283-413 622 Indicator, Flat Black, Locked/Unlocked

    Schlage
    MSRP: $150.00
    $105.75
    The Schlage L283-413 622 is a sectional cylinder indicator designed for L Series locks on commercial and institutional doors. It displays LOCKED/UNLOCKED status with a 2" x 0.5" window visible from...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $150.00
    $105.75
    Subtotal:
  • DormaKaba Simplex 5066XSWL-744-41 Mortise Combo Lock DormaKaba Simplex 5066XSWL-744-41 Mortise Combo Lock
    Quick view

    DormaKaba Simplex 5066XSWL-744-41 Mortise Combo Lock

    DormaKaba
    MSRP: $1,087.00
    $671.76
    The DormaKaba Simplex 5066XSWL-744-41 is a mortise-mounted combination lever lock designed for facilities needing keyless access control without electronic complexity. Ideal for offices, healthcare,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,087.00
    $671.76
    Subtotal:
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