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 8237 LNL 26D Classroom Mortise Lock LN Rose L Lever Sargent 8237 LNL 26D Classroom Mortise Lock LN Rose L Lever
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    Sargent 8237 LNL 26D Classroom Mortise Lock LN Rose L Lever

    Sargent
    MSRP: $1,654.00
    $874.68
    8237 LNL 26D Sargent Mortise Lock Classroom Mortise Lock, LN Rose, L Lever, Satin Chrome Finish: 626/US26D Series: 8200 Line Lever Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,654.00
    $874.68
    Subtotal:
  • Sargent 8215 LNP 26D Passage Mortise Lock LN Rose P Lever Sargent 8215 LNP 26D Passage Mortise Lock LN Rose P Lever
    Quick view

    Sargent 8215 LNP 26D Passage Mortise Lock LN Rose P Lever

    Sargent
    MSRP: $1,307.00
    $698.94
    8215 LNP 26D Sargent Mortise Lock Passage Mortise Lock, LN Rose, P Lever, Satin Chrome Finish: 626/US26D Series: 8200 Line Lever Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,307.00
    $698.94
    Subtotal:
  • Sargent 8215 LNL 26D Passage Mortise Lock L Lever Sargent 8215 LNL 26D Passage Mortise Lock L Lever
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    Sargent 8215 LNL 26D Passage Mortise Lock L Lever

    Sargent
    MSRP: $1,307.00
    $698.94
    The Sargent 8215 is a passage mortise lock designed for interior doors like closets and utility spaces where keying is not required. The L lever handle with LN rose provides comfortable operation,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,307.00
    $698.94
    Subtotal:
  • Sargent 8215 LNB 26D Passage Mortise Lock LN Rose B Lever Sargent 8215 LNB 26D Passage Mortise Lock LN Rose B Lever
    Quick view

    Sargent 8215 LNB 26D Passage Mortise Lock LN Rose B Lever

    Sargent
    MSRP: $1,307.00
    $698.94
    8215 LNB 26D Sargent Mortise Lock Passage Mortise Lock, LN Rose, B Lever, Satin Chrome Finish: 626/US26D Series: 8200 Line Lever Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,307.00
    $698.94
    Subtotal:
  • Sargent 8205 LNL 26D Mortise Lock, Satin Chrome Sargent 8205 LNL 26D Mortise Lock, Satin Chrome
    Quick view

    Sargent 8205 LNL 26D Mortise Lock, Satin Chrome

    Sargent
    MSRP: $1,654.00
    $874.68
    The Sargent 8205 LNL is a heavy-duty mortise lock designed for office and entry doors requiring reliable security and smooth operation. Featuring an LN rose, L lever, and satin chrome finish, this...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,654.00
    $874.68
    Subtotal:
  • Sargent 8205 LNB 26D Mortise Lock, Satin Chrome Sargent 8205 LNB 26D Mortise Lock, Satin Chrome
    Quick view

    Sargent 8205 LNB 26D Mortise Lock, Satin Chrome

    Sargent
    MSRP: $1,654.00
    $874.68
    The Sargent 8205 LNB 26D is a heavy-duty mortise lock designed for office and entry doors where reliable security and durability matter. Built with high-quality components, this lock solves the need...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,654.00
    $874.68
    Subtotal:
  • Sargent 8204 LNL 26D Storeroom/Closet Mortise Lock LN Rose L Lever Sargent 8204 LNL 26D Storeroom/Closet Mortise Lock LN Rose L Lever
    Quick view

    Sargent 8204 LNL 26D Storeroom/Closet Mortise Lock LN Rose L Lever

    Sargent
    MSRP: $1,654.00
    $874.68
    8204 LNL 26D Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, L Lever, Satin Chrome Finish: 626/US26D Series: 8200 Line Lever Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,654.00
    $874.68
    Subtotal:
  • Sargent 8204 Storeroom Mortise Lock, Satin Chrome Sargent 8204 Storeroom Mortise Lock, Satin Chrome
    Quick view

    Sargent 8204 Storeroom Mortise Lock, Satin Chrome

    Sargent
    MSRP: $1,439.00
    $784.38
    The Sargent 8204 is a heavy-duty mortise lock built for storeroom and closet applications where reliable security is essential. The LN rose and J lever design offers smooth operation and professional...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,439.00
    $784.38
    Subtotal:
  • Sargent 8204 LNB 26D Storeroom or Closet Mortise Lock LN Rose B Lever Sargent 8204 LNB 26D Storeroom or Closet Mortise Lock LN Rose B Lever
    Quick view

    Sargent 8204 LNB 26D Storeroom or Closet Mortise Lock LN Rose B Lever

    Sargent
    MSRP: $1,654.00
    $874.68
    8204 LNB 26D Sargent Mortise Lock Storeroom or Closet Mortise Lock, LN Rose, B Lever, Satin Chrome Finish: 626/US26D Series: 8200 Line Lever Mortise Locks Type: Locks, Cylinders, Cores,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,654.00
    $874.68
    Subtotal:
  • Sargent RX-8271-12V 26D Fail Secure Electrified Mortise Lock Sargent RX-8271-12V 26D Fail Secure Electrified Mortise Lock
    Quick view

    Sargent RX-8271-12V 26D Fail Secure Electrified Mortise Lock

    Sargent
    MSRP: $1,849.00
    $976.58
    The Sargent RX-8271-12V is a 12V electrified mortise lock designed for commercial doors requiring fail-secure operation. Built for single-opening applications or integration into access control...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,849.00
    $976.58
    Subtotal:
  • Sargent RX-8270-24V 26D Fail Safe Electrified Mortise Lock Sargent RX-8270-24V 26D Fail Safe Electrified Mortise Lock
    Quick view

    Sargent RX-8270-24V 26D Fail Safe Electrified Mortise Lock

    Sargent
    MSRP: $1,849.00
    $976.58
    The Sargent RX-8270-24V is a 24V electrified mortise lock with fail safe operation, designed for single openings and standalone access control applications. Built with field-changeable fail safe/fail...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,849.00
    $976.58
    Subtotal:
  • Sargent BP-8265 26D Privacy Mortise Lock Body Satin Chrome Sargent BP-8265 26D Privacy Mortise Lock Body Satin Chrome
    Quick view

    Sargent BP-8265 26D Privacy Mortise Lock Body Satin Chrome

    Sargent
    MSRP: $634.00
    $372.79
    The Sargent BP-8265 26D is a mortise lock body designed for privacy applications in bedrooms and bathrooms. This lockbody-only unit delivers the strength and durability Sargent is known for,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $634.00
    $372.79
    Subtotal:
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