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 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: $1,822.00
    $965.24
    The Sargent 8200 26D is a heavy-duty mortise lock engineered for commercial and institutional doors requiring maximum security and durability. It exceeds ANSI/BHMA Grade 2 standards, UL-listed for three-hour fire doors, and suits offices, hospitals,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,822.00
    $965.24
    Subtotal:
  • Sargent 8200 LW1B 26D Mortise Lock Sargent 8200 LW1B 26D Mortise Lock
    Quick view

    Sargent 8200 LW1B 26D Mortise Lock

    Sargent
    MSRP: $1,706.00
    $916.52
    The Sargent 8200 LW1B 26D is a heavy-duty mortise lock engineered for maximum security and durability in commercial and institutional buildings. ANSI/BHMA Grade 2 certified and UL-cUL listed for three-hour fire doors, it exceeds industry standards and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,706.00
    $916.52
    Subtotal:
  • Sargent 8243 LE1L 32D Mortise Lock Sargent 8243 LE1L 32D Mortise Lock
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    Sargent 8243 LE1L 32D Mortise Lock

    Sargent
    MSRP: $1,059.00
    $574.78
    The Sargent 8243 LE1L 32D is a heavy-duty mortise lock engineered for high-security applications in commercial and institutional buildings. Exceeding ANSI/BHMA Grade 1 standards, it delivers superior strength and durability for offices, hospitals,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,059.00
    $574.78
    Subtotal:
  • Sargent 8200 26D Mortise Lock Sargent 8200 26D Mortise Lock
    Quick view

    Sargent 8200 26D Mortise Lock

    Sargent
    MSRP: $1,822.00
    $965.24
    The Sargent 8200 26D is a heavy-duty mortise lock built for commercial and institutional doors requiring maximum security and durability. ANSI/BHMA Grade 2 certified and UL-listed for three-hour fire doors, it exceeds industry standards and resists...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,822.00
    $965.24
    Subtotal:
  • Sargent 8245 LE1L 32D Mortise Lock Sargent 8245 LE1L 32D Mortise Lock
    Quick view

    Sargent 8245 LE1L 32D Mortise Lock

    Sargent
    MSRP: $1,059.00
    $574.78
    The Sargent 8245 is a heavy-duty mortise lock designed for commercial and institutional facilities requiring maximum security and durability. This Grade 2 certified lock exceeds ANSI/BHMA A156.13 standards and is UL-listed for three-hour fire doors and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,059.00
    $574.78
    Subtotal:
  • Sargent 8225 LE1L 32D Mortise Lock Sargent 8225 LE1L 32D Mortise Lock
    Quick view

    Sargent 8225 LE1L 32D Mortise Lock

    Sargent
    MSRP: $1,059.00
    $574.78
    The Sargent 8225 LE1L 32D is a heavy-duty mortise lock built for high-security applications in offices, hospitals, schools, and behavioral health facilities. It exceeds ANSI/BHMA Grade 1 standards, delivering industry-leading durability and strength to...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,059.00
    $574.78
    Subtotal:
  • Sargent 8225 LNA 26D RH Mortise Lock Sargent 8225 LNA 26D RH Mortise Lock
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    Sargent 8225 LNA 26D RH Mortise Lock

    Sargent
    MSRP: $1,792.00
    $952.64
    The Sargent 8225 LNA mortise lock delivers Grade 2 certified security and durability for commercial doors in offices, schools, hospitals, and institutional settings. This heavy-duty lock exceeds ANSI/BHMA A156.13 standards, features thru-bolted lever...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,792.00
    $952.64
    Subtotal:
  • 60-8225 LW1F 26D Sargent Mortise Lock 60-8225 LW1F 26D Sargent Mortise Lock
    Quick view

    60-8225 LW1F 26D Sargent Mortise Lock

    Sargent
    MSRP: $1,793.00
    $953.06
    The Sargent 8200 LW1F 26D 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...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,793.00
    $953.06
    Subtotal:
  • 60-8226 OA 26D RH Sargent Mortise Lock 60-8226 OA 26D RH Sargent Mortise Lock
    Quick view

    60-8226 OA 26D RH Sargent Mortise Lock

    Sargent
    MSRP: $1,910.00
    $1,082.20
    The Sargent 8200 OA mortise lock delivers institutional-grade security for commercial buildings, hospitals, schools, and behavioral health facilities. This Grade 2 certified lock exceeds ANSI/BHMA A156.13 standards with thru-bolted lever trim,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,910.00
    $1,082.20
    Subtotal:
  • 60-8226 LB 26D Sargent Mortise Lock 60-8226 LB 26D Sargent Mortise Lock
    Quick view

    60-8226 LB 26D Sargent Mortise Lock

    Sargent
    MSRP: $1,840.00
    $972.80
    The Sargent 8200 mortise lock delivers industrial-grade security for commercial doors in offices, hospitals, schools, and behavioral health facilities. This ANSI/BHMA Grade 2 certified lock exceeds durability standards and resists unauthorized entry and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,840.00
    $972.80
    Subtotal:
  • 8266 LE1J 26D Sargent Manufacturing Mortise Lock 8266 LE1J 26D Sargent Manufacturing Mortise Lock
    Quick view

    8266 LE1J 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,686.00
    $908.12
    8266 LE1J 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
    Quantity:
    Price:
    MSRP: $1,686.00
    $908.12
    Subtotal:
  • Sargent 8226 LNE Mortise Lock 26D Stainless Sargent 8226 LNE Mortise Lock 26D Stainless
    Quick view

    Sargent 8226 LNE Mortise Lock 26D Stainless

    Sargent
    MSRP: $1,910.00
    $1,082.20
    The Sargent 8226 LNE is a heavy-duty mortise lock engineered for high-security commercial and institutional applications. ANSI/BHMA Grade 2 certified and UL-listed for three-hour fire doors, it exceeds industry durability standards. Ideal for offices,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,910.00
    $1,082.20
    Subtotal:
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