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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  • Sargent 60-8237 LNE 26D Classroom Mortise Lock LN Rose E Lever LFIC Prep Sargent 60-8237 LNE 26D Classroom Mortise Lock LN Rose E Lever LFIC Prep
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    Sargent 60-8237 LNE 26D Classroom Mortise Lock LN Rose E Lever LFIC Prep

    Sargent
    MSRP: $1,699.00
    $913.58
    The Sargent 60-8237 is a classroom-grade mortise lock built for high-traffic educational facilities and institutional environments. This LFIC-prep lock with E lever and LN rose provides secure access...
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    MSRP: $1,699.00
    $913.58
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  • Sargent 60-8237 LNE 32D Classroom Mortise Lock LN Rose E Lever LFIC Prep Sargent 60-8237 LNE 32D Classroom Mortise Lock LN Rose E Lever LFIC Prep
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    Sargent 60-8237 LNE 32D Classroom Mortise Lock LN Rose E Lever LFIC Prep

    Sargent
    MSRP: $1,723.00
    $923.66
    60-8237 LNE 32D Sargent Mortise Lock Classroom Mortise Lock, LN Rose, E Lever, LFIC Prep Less Core, Satin Stainless Steel Finish: 630/US32D Series: 8200 Line Lever Mortise Locks Type: Locks,...
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    MSRP: $1,723.00
    $923.66
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  • Sargent 60-8237 Classroom Mortise Lock, Oil Rubbed Bronze Sargent 60-8237 Classroom Mortise Lock, Oil Rubbed Bronze
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    Sargent 60-8237 Classroom Mortise Lock, Oil Rubbed Bronze

    Sargent
    MSRP: $1,723.00
    $923.66
    The Sargent 60-8237 is a heavy-duty mortise lock built for classroom and institutional doors. This LFIC-prep lock accepts interchangeable cores, making it ideal for schools and facilities that need...
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    MSRP: $1,723.00
    $923.66
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  • Sargent 60-8205 LNL 26D Office/Entry Mortise Lock LN Rose L Lever LFIC Prep Sargent 60-8205 LNL 26D Office/Entry Mortise Lock LN Rose L Lever LFIC Prep
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    Sargent 60-8205 LNL 26D Office/Entry Mortise Lock LN Rose L Lever LFIC Prep

    Sargent
    MSRP: $1,654.00
    $874.68
    60-8205 LNL 26D Sargent Mortise Lock Office or Entry Mortise Lock, LN Rose, L Lever, LFIC Prep Less Core, Satin Chrome Finish: 626/US26D Series: 8200 Line Lever Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,654.00
    $874.68
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  • Sargent 60-8204 LNB 26 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core Sargent 60-8204 LNB 26 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core
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    Sargent 60-8204 LNB 26 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core

    Sargent
    MSRP: $1,678.00
    $904.76
    60-8204 LNB 26 Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, B Lever, LFIC Prep Less Core, Bright Chrome Finish: 625/US26 Series: 8200 Line Lever Mortise Locks Type: Locks,...
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    MSRP: $1,678.00
    $904.76
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  • Sargent 60-8204 LNB 3 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core Sargent 60-8204 LNB 3 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core
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    Sargent 60-8204 LNB 3 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core

    Sargent
    MSRP: $1,678.00
    $904.76
    60-8204 LNB 3 Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, B Lever, LFIC Prep Less Core, Bright Brass Finish: 605/US3 Series: 8200 Line Lever Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,678.00
    $904.76
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  • Sargent 60-8204 LNB 4 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Sargent 60-8204 LNB 4 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep
    Quick view

    Sargent 60-8204 LNB 4 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep

    Sargent
    MSRP: $1,678.00
    $904.76
    60-8204 LNB 4 Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, B Lever, LFIC Prep Less Core, Satin Brass Finish: 606/US4 Series: 8200 Line Lever Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,678.00
    $904.76
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  • Sargent 60-8204 LNB 10 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core Sargent 60-8204 LNB 10 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core
    Quick view

    Sargent 60-8204 LNB 10 Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core

    Sargent
    MSRP: $1,678.00
    $904.76
    60-8204 LNB 10 Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, B Lever, LFIC Prep Less Core, Satin Bronze Finish: 612/US10 Series: 8200 Line Lever Mortise Locks Type: Locks,...
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    Qty in Cart: 0
    Quantity:
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    MSRP: $1,678.00
    $904.76
    Subtotal:
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  • Sargent 60-8204 LNB 10B Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core Sargent 60-8204 LNB 10B Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core
    Quick view

    Sargent 60-8204 LNB 10B Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core

    Sargent
    MSRP: $1,678.00
    $904.76
    60-8204 LNB 10B Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, B Lever, LFIC Prep Less Core, Oil Rubbed Bronze Finish: 613/US10B Series: 8200 Line Lever Mortise Locks Type: Locks,...
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,678.00
    $904.76
    Subtotal:
    Add to Cart
  • Sargent 60-8204 LNB 32D Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Sargent 60-8204 LNB 32D Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep
    Quick view

    Sargent 60-8204 LNB 32D Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep

    Sargent
    MSRP: $1,678.00
    $904.76
    60-8204 LNB 32D Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, B Lever, LFIC Prep Less Core, Satin Stainless Steel Finish: 630/US32D Series: 8200 Line Lever Mortise Locks Type:...
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,678.00
    $904.76
    Subtotal:
    Add to Cart
  • Sargent 60-8204 LNB 26D Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core Sargent 60-8204 LNB 26D Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core
    Quick view

    Sargent 60-8204 LNB 26D Storeroom/Closet Mortise Lock LN Rose B Lever LFIC Prep Less Core

    Sargent
    MSRP: $1,654.00
    $874.68
    60-8204 LNB 26D Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, B Lever, LFIC Prep Less Core, Satin Chrome Finish: 626/US26D Series: 8200 Line Lever Mortise Locks Type: Locks,...
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,654.00
    $874.68
    Subtotal:
    Add to Cart
  • Sargent 70RX-8271-24V LNL 26D Fail Secure, 24V Electrified Mortise Lock LN Rose L Lever SFIC Prep Sargent 70RX-8271-24V LNL 26D Fail Secure, 24V Electrified Mortise Lock LN Rose L Lever SFIC Prep
    Quick view

    Sargent 70RX-8271-24V LNL 26D Fail Secure, 24V Electrified Mortise Lock LN Rose L Lever SFIC Prep

    Sargent
    MSRP: $2,395.00
    $1,405.90
    70RX-8271-24V LNL 26D Sargent Electric Mortise Lock Fail Secure, 24V Electrified Mortise Lock, LN Rose, L Lever, SFIC Prep Less Core, RX Switch, Satin Chrome Finish: 626/US26D Series: 8270...
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    Qty in Cart: 0
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    MSRP: $2,395.00
    $1,405.90
    Subtotal:
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