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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  • 60-8245 LE1J 26D Sargent Mortise Lock 60-8245 LE1J 26D Sargent Mortise Lock
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    60-8245 LE1J 26D Sargent Mortise Lock

    Sargent
    MSRP: $1,867.00
    $984.14
    The Sargent 8200 LE1J mortise lock in satin chrome (26D) is a heavy-duty access control solution for commercial doors in offices, hospitals, schools, and behavioral health facilities. This Grade 2 certified lock exceeds ANSI/BHMA A156.13 standards and...
    Qty in Cart: 0
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    Price:
    MSRP: $1,867.00
    $984.14
    Subtotal:
  • Sargent 8200 LW1B 26D Mortise Lock Sargent 8200 LW1B 26D Mortise Lock
    Quick view

    Sargent 8200 LW1B 26D Mortise Lock

    Sargent
    MSRP: $1,745.00
    $932.90
    The Sargent 8200 mortise lock is a high-security solution for commercial doors in offices, hospitals, schools, and behavioral health facilities. This Grade 2 certified lock exceeds ANSI/BHMA A156.13 standards and is UL-cUL listed for three-hour fire...
    Qty in Cart: 0
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    Price:
    MSRP: $1,745.00
    $932.90
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  • Sargent 8200 LW1L 26D Mortise Lock Sargent 8200 LW1L 26D Mortise Lock
    Quick view

    Sargent 8200 LW1L 26D Mortise Lock

    Sargent
    MSRP: $1,793.00
    $953.06
    The Sargent 8200 LW1L 26D is a Grade 1 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...
    Qty in Cart: 0
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    Price:
    MSRP: $1,793.00
    $953.06
    Subtotal:
  • Sargent 8200 LW1J 26D Mortise Lock, Grade 2 Sargent 8200 LW1J 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8200 LW1J 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,706.00
    $916.52
    The Sargent 8200 LW1J 26D is a heavy-duty mortise lock engineered for maximum security and durability in commercial and institutional buildings. Exceeding ANSI/BHMA Grade 2 standards, it protects offices, hospitals, schools, and behavioral health...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,706.00
    $916.52
    Subtotal:
  • Sargent 8240 LNE 26D Mortise Lock, Grade 2 Sargent 8240 LNE 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8240 LNE 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,910.00
    $1,082.20
    The Sargent 8240 LNE 26D is a heavy-duty mortise lock engineered for commercial and institutional facilities requiring maximum security and durability. Built to ANSI/BHMA Grade 2 standards and UL-cUL listed for three-hour fire doors, it delivers strength...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,910.00
    $1,082.20
    Subtotal:
  • Sargent 8200 Mortise Lock 26D Sargent 8200 Mortise Lock 26D
    Quick view

    Sargent 8200 Mortise Lock 26D

    Sargent
    MSRP: $1,519.00
    $817.98
    The Sargent 8200 mortise lock delivers Grade 1 security and durability for high-traffic commercial doors in offices, hospitals, schools, and behavioral health facilities. This ANSI/BHMA Grade 2 certified lock exceeds industry standards with thru-bolted...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,519.00
    $817.98
    Subtotal:
  • Sargent 8240 LNW 26D Mortise Lock, Grade 2 Sargent 8240 LNW 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8240 LNW 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,910.00
    $1,082.20
    The Sargent 8240 LNW 26D is a heavy-duty mortise lock designed for commercial and institutional applications requiring maximum security and reliability. This Grade 2 certified lock exceeds ANSI/BHMA A156.13 standards and is UL-listed for three-hour fire...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,910.00
    $1,082.20
    Subtotal:
  • Sargent 8241 LNA 26D LH Mortise Lock Sargent 8241 LNA 26D LH Mortise Lock
    Quick view

    Sargent 8241 LNA 26D LH Mortise Lock

    Sargent
    MSRP: $1,910.00
    $1,082.20
    The Sargent 8241 is a heavy-duty mortise lock exceeding ANSI/BHMA Grade 2 standards, built for high-security commercial and institutional applications. Designed for doors requiring maximum strength, durability, and resistance to tampering, it serves...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,910.00
    $1,082.20
    Subtotal:
  • Sargent 8200 26D Mortise Lock Sargent 8200 26D Mortise Lock
    Quick view

    Sargent 8200 26D Mortise Lock

    Sargent
    MSRP: $1,840.00
    $972.80
    The Sargent 8200 mortise lock is a heavy-duty access control solution for commercial buildings, hospitals, schools, and behavioral health facilities. It exceeds ANSI/BHMA Grade 2 standards and is UL-listed for three-hour fire doors, providing maximum...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,840.00
    $972.80
    Subtotal:
  • Sargent 8240 LNJ 26D Mortise Lock, Grade 2 Sargent 8240 LNJ 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8240 LNJ 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,654.00
    $980.72
    The Sargent 8240 LNJ 26D is a heavy-duty mortise lock engineered for maximum security and durability in commercial and institutional facilities. Built to exceed ANSI/BHMA Grade 2 standards and UL-listed for three-hour fire doors, it protects offices,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,654.00
    $980.72
    Subtotal:
  • Sargent 8200 Mortise Lock 26D Stainless Steel Sargent 8200 Mortise Lock 26D Stainless Steel
    Quick view

    Sargent 8200 Mortise Lock 26D Stainless Steel

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

    Sargent 8200 26D RH Mortise Lock

    Sargent
    MSRP: $1,699.00
    $913.58
    The Sargent 8200 mortise lock delivers Grade 1 security and durability for commercial doors in offices, hospitals, schools, and behavioral health facilities. This heavy-duty lock exceeds ANSI/BHMA A156.13 standards and is UL-listed for three-hour fire...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,699.00
    $913.58
    Subtotal:
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