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 8200 Series 60-8255 LNE Mortise Lock Sargent 8200 Series 60-8255 LNE Mortise Lock
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    Sargent 8200 Series 60-8255 LNE Mortise Lock

    Sargent
    MSRP: $1,723.00
    $923.66
    The Sargent 8200 Series mortise lock is a heavy-duty Grade 1 certified lock designed for high-security commercial applications in offices, hospitals, schools, and behavioral health facilities. It exceeds ANSI/BHMA A156.13 standards and offers UL-listed...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,723.00
    $923.66
    Subtotal:
  • Sargent 8245 LNE 26D Mortise Lock Sargent 8245 LNE 26D Mortise Lock
    Quick view

    Sargent 8245 LNE 26D Mortise Lock

    Sargent
    MSRP: $936.00
    $513.12
    The Sargent 8245 LNE 26D is a Grade 2 mortise lock built for high-security commercial and institutional applications. Exceeding ANSI/BHMA A156.13 Series 1000 standards, it delivers strength and durability for offices, hospitals, schools, and behavioral...
    Qty in Cart: 0
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    Price:
    MSRP: $936.00
    $513.12
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  • Sargent 8200 26D Mortise Lock, Grade 2 Sargent 8200 26D Mortise Lock, Grade 2
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    Sargent 8200 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,598.00
    $851.16
    The Sargent 8200 is a heavy-duty mortise lock engineered for commercial and institutional buildings. Built to ANSI/BHMA Grade 2 standards and UL-listed for three-hour fire doors, it delivers superior strength and security for offices, hospitals, schools,...
    Qty in Cart: 0
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    Price:
    MSRP: $1,598.00
    $851.16
    Subtotal:
  • Sargent 8200 Series 60-8255 LW1B 32D Mortise Lock Sargent 8200 Series 60-8255 LW1B 32D Mortise Lock
    Quick view

    Sargent 8200 Series 60-8255 LW1B 32D Mortise Lock

    Sargent
    MSRP: $1,730.00
    $926.60
    The Sargent 8200 Series mortise lock is a heavy-duty access control solution for commercial and institutional buildings. Exceeding ANSI/BHMA A156.13 Grade 1 standards, it delivers superior strength and durability for high-security applications in...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,730.00
    $926.60
    Subtotal:
  • Sargent 8200 LW1B 32D Mortise Lock Sargent 8200 LW1B 32D Mortise Lock
    Quick view

    Sargent 8200 LW1B 32D Mortise Lock

    Sargent
    MSRP: $1,817.00
    $963.14
    The Sargent 8200 is a heavy-duty mortise lock exceeding ANSI/BHMA Grade 1 standards, built for high-security applications in offices, hospitals, schools, and behavioral health facilities. Its thru-bolted construction and strengthened cylinder retainer...
    Qty in Cart: 0
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    Price:
    MSRP: $1,817.00
    $963.14
    Subtotal:
  • 60-8255 LW1P 26D Sargent Mortise Lock 60-8255 LW1P 26D Sargent Mortise Lock
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    60-8255 LW1P 26D Sargent Mortise Lock

    Sargent
    MSRP: $1,706.00
    $916.52
    The Sargent 8200 60-8255 LW1P 26D is a heavy-duty mortise lock engineered for maximum security and durability in commercial applications. Ideal for offices, hospitals, schools, and behavioral health facilities, this Grade 2 certified lock exceeds...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,706.00
    $916.52
    Subtotal:
  • 60-8255 LE1B 26D Sargent Mortise Lock 60-8255 LE1B 26D Sargent Mortise Lock
    Quick view

    60-8255 LE1B 26D Sargent Mortise Lock

    Sargent
    MSRP: $1,782.00
    $948.44
    The Sargent 8200 LE1B 26D is a commercial-grade mortise lock engineered for maximum security and durability in high-traffic institutional and commercial environments. It exceeds ANSI/BHMA Grade 2 standards and is UL-cUL listed for three-hour fire doors,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,782.00
    $948.44
    Subtotal:
  • Sargent 8200 60-8255 LNW 32D Mortise Lock Sargent 8200 60-8255 LNW 32D Mortise Lock
    Quick view

    Sargent 8200 60-8255 LNW 32D Mortise Lock

    Sargent
    MSRP: $1,723.00
    $923.66
    The Sargent 8200 mortise lock is a Grade 1 certified heavy-duty door lock engineered for maximum security and durability in commercial and institutional buildings. Ideal for offices, hospitals, schools, and behavioral health facilities, it exceeds...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,723.00
    $923.66
    Subtotal:
  • Sargent 8200 LE1B 32D Mortise Lock, Grade 2 Sargent 8200 LE1B 32D Mortise Lock, Grade 2
    Quick view

    Sargent 8200 LE1B 32D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,806.00
    $958.52
    The Sargent 8200 LE1B mortise lock delivers Grade 2 certified security and durability for commercial doors in offices, hospitals, schools, and behavioral health facilities. This heavy-duty mortise lock exceeds ANSI/BHMA A156.13 standards, featuring...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,806.00
    $958.52
    Subtotal:
  • Sargent 8255 WTF 32D Mortise Lock, Grade 2 Sargent 8255 WTF 32D Mortise Lock, Grade 2
    Quick view

    Sargent 8255 WTF 32D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,622.00
    $861.24
    The Sargent 8255 WTF 32D is a heavy-duty mortise lock built for high-traffic commercial doors in offices, schools, hospitals, and behavioral health facilities. It exceeds ANSI/BHMA Grade 2 standards and delivers superior strength and security through...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,622.00
    $861.24
    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: $1,654.00
    $874.68
    The Sargent 8200 26D is a heavy-duty mortise lock engineered for maximum security and durability in commercial buildings, hospitals, schools, and offices. This Grade 2 certified lock exceeds ANSI/BHMA A156.13 standards and is UL-listed for three-hour...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,654.00
    $874.68
    Subtotal:
  • Sargent 8200 Mortise Lock 32D Grade 2 Sargent 8200 Mortise Lock 32D Grade 2
    Quick view

    Sargent 8200 Mortise Lock 32D Grade 2

    Sargent
    MSRP: $1,622.00
    $861.24
    The Sargent 8200 is a heavy-duty mortise lock engineered for maximum security and durability in commercial and institutional settings. Grade 2 certified and UL-cUL listed for three-hour fire doors, it exceeds ANSI/BHMA A156.13 standards and suits...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,622.00
    $861.24
    Subtotal:
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