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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  • 8268 LE1B 26D Sargent Manufacturing Mortise Lock 8268 LE1B 26D Sargent Manufacturing Mortise Lock
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    8268 LE1B 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,686.00
    $908.12
    8268 LE1B 26D Sargent Manufacturing Mortise LockFeatures: ANSI/BHMA Grade 2 certified for cycle and strength requirements UL-cUL listed for three-hour fire doors and windstorm applications Thru-bolted lever trim and strengthened cylinder retainer...
    Qty in Cart: 0
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    Price:
    MSRP: $1,686.00
    $908.12
    Subtotal:
  • Sargent 8238 LNW 26D Mortise Lock, Grade 2 Sargent 8238 LNW 26D Mortise Lock, Grade 2
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    Sargent 8238 LNW 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,873.00
    $986.66
    The Sargent 8238 is a heavy-duty mortise lock engineered for commercial buildings, hospitals, schools, and secured facilities. It exceeds ANSI/BHMA Grade 2 standards and delivers superior strength, durability, and security against unauthorized entry and...
    Qty in Cart: 0
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    Price:
    MSRP: $1,873.00
    $986.66
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  • 8296 WTL 26D Sargent Manufacturing Mortise Lock 8296 WTL 26D Sargent Manufacturing Mortise Lock
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    8296 WTL 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,176.00
    $623.92
    8296 WTL 26D Sargent Manufacturing Mortise LockFeatures: ANSI/BHMA Grade 2 certified for cycle and strength requirements UL-cUL listed for three-hour fire doors and windstorm applications Thru-bolted lever trim and strengthened cylinder retainer...
    Qty in Cart: 0
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    Price:
    MSRP: $1,176.00
    $623.92
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  • Sargent 8200 26D Mortise Lock Sargent 8200 26D Mortise Lock
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    Sargent 8200 26D Mortise Lock

    Sargent
    MSRP: $1,686.00
    $908.12
    The Sargent 8200 mortise lock is a Grade 1 commercial-duty lock built for high-security facilities, healthcare, education, and institutional buildings. It exceeds ANSI/BHMA A156.13 standards and delivers exceptional durability, vandal resistance, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,686.00
    $908.12
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  • Sargent 8200 26D Mortise Lock Sargent 8200 26D Mortise Lock
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    Sargent 8200 26D Mortise Lock

    Sargent
    MSRP: $1,840.00
    $972.80
    The Sargent 8200 is a heavy-duty mortise lock engineered for maximum security and durability in commercial and institutional settings. Exceeding ANSI/BHMA Grade 1 standards, it delivers superior strength for offices, hospitals, schools, and behavioral...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,840.00
    $972.80
    Subtotal:
  • Sargent 8246 LNP 26D Mortise Lock, Grade 2 Sargent 8246 LNP 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8246 LNP 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,840.00
    $972.80
    The Sargent 8246 LNP 26D is a heavy-duty mortise lock engineered for commercial and institutional facilities requiring maximum security and reliability. Exceeding ANSI/BHMA A156.13 Grade 2 standards, it delivers superior strength and durability for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,840.00
    $972.80
    Subtotal:
  • Sargent 8200 26D Mortise Lock, Grade 2 Sargent 8200 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8200 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,840.00
    $972.80
    The Sargent 8200 26D is a heavy-duty mortise lock engineered for maximum security and durability in commercial and institutional settings. ANSI/BHMA Grade 2 certified and UL-cUL listed for three-hour fire doors, it exceeds industry standards and resists...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,840.00
    $972.80
    Subtotal:
  • Sargent 8238 LNP 26D Mortise Lock, Grade 2 Sargent 8238 LNP 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8238 LNP 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,822.00
    $965.24
    The Sargent 8238 LNP 26D is a heavy-duty mortise lock engineered for high-security commercial and institutional applications. Built to exceed ANSI/BHMA Grade 2 standards, it delivers superior strength and durability for offices, hospitals, schools, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,822.00
    $965.24
    Subtotal:
  • Sargent 8200 LE1J 26D Mortise Lock Sargent 8200 LE1J 26D Mortise Lock
    Quick view

    Sargent 8200 LE1J 26D Mortise Lock

    Sargent
    MSRP: $1,867.00
    $984.14
    The Sargent 8200 LE1J 26D is a heavy-duty mortise lock engineered for high-security commercial applications. ANSI/BHMA Grade 2 certified and UL-cUL listed for three-hour fire doors, it exceeds industry durability standards and resists vandalism. Ideal...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,867.00
    $984.14
    Subtotal:
  • Sargent 8237 LNA 10B LH Mortise Lock Sargent 8237 LNA 10B LH Mortise Lock
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    Sargent 8237 LNA 10B LH Mortise Lock

    Sargent
    MSRP: $1,723.00
    $923.66
    The Sargent 8237 is a Grade 2 mortise lock engineered for maximum security and durability in commercial and institutional buildings. It exceeds ANSI/BHMA A156.13 standards and is UL-cUL listed for three-hour fire doors and windstorm applications, making...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,723.00
    $923.66
    Subtotal:
  • Sargent 8227 OP 26D Mortise Lock, Grade 2 Sargent 8227 OP 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8227 OP 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,733.00
    $927.86
    The Sargent 8227 OP 26D is a heavy-duty mortise lock engineered for commercial and institutional doors. Built to exceed ANSI/BHMA Grade 2 standards, it delivers superior strength and durability for offices, hospitals, schools, and secure environments...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,733.00
    $927.86
    Subtotal:
  • Sargent 8227 WTF 32D Mortise Lock, Grade 2 Sargent 8227 WTF 32D Mortise Lock, Grade 2
    Quick view

    Sargent 8227 WTF 32D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,710.00
    $918.20
    The Sargent 8227 WTF 32D is a commercial-grade mortise lock engineered for high-security institutional and commercial applications. Built to exceed ANSI/BHMA Grade 2 standards and UL-listed for three-hour fire doors, it delivers superior strength and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,710.00
    $918.20
    Subtotal:
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