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: $1,598.00
    $851.16
    The Sargent 8200 mortise lock delivers institutional-grade security for commercial doors in offices, hospitals, schools, and behavioral health facilities. Exceeding ANSI/BHMA Grade 2 standards, this UL-listed lock resists unauthorized entry and vandalism...
    Qty in Cart: 0
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    Price:
    MSRP: $1,598.00
    $851.16
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  • Sargent 8200 LNP 26D Mortise Lock Sargent 8200 LNP 26D Mortise Lock
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    Sargent 8200 LNP 26D Mortise Lock

    Sargent
    MSRP: $1,822.00
    $965.24
    The Sargent 8200 LNP 26D is a heavy-duty mortise lock engineered for maximum security and durability in commercial and institutional buildings. This Grade 2 certified lock exceeds ANSI/BHMA A156.13 standards and is UL-cUL listed for three-hour fire doors...
    Qty in Cart: 0
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    Price:
    MSRP: $1,822.00
    $965.24
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  • 8265 OP 26D Sargent Manufacturing Mortise Lock 8265 OP 26D Sargent Manufacturing Mortise Lock
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    8265 OP 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,476.00
    $799.92
    8265 OP 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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    MSRP: $1,476.00
    $799.92
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  • LC-8255 LNA 32D RH Sargent Manufacturing Mortise Lock LC-8255 LNA 32D RH Sargent Manufacturing Mortise Lock
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    LC-8255 LNA 32D RH Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,577.00
    $842.34
    LC-8255 LNA 32D RH Sargent Manufacturing Mortise LockWhen it comes to strength and durability, SARGENT continues to set standards with the 8200 Mortise lock. The 8200 far surpasses ANSI/BHMA A156.13 Series 1000 Grade 1 standards, making it the strongest...
    Qty in Cart: 0
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    MSRP: $1,577.00
    $842.34
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  • 70-8224 LE1B 26D Sargent Mortise Lock 70-8224 LE1B 26D Sargent Mortise Lock
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    70-8224 LE1B 26D Sargent Mortise Lock

    Sargent
    MSRP: $1,867.00
    $984.14
    The Sargent 8200 mortise lock is a heavy-duty entrance and passage lock engineered for commercial buildings, healthcare facilities, schools, and offices. It exceeds ANSI/BHMA Grade 1 standards with thru-bolted lever trim and a strengthened cylinder...
    Qty in Cart: 0
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    Price:
    MSRP: $1,867.00
    $984.14
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  • LC-8255 LNA 32D LH Sargent Manufacturing Mortise Lock LC-8255 LNA 32D LH Sargent Manufacturing Mortise Lock
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    LC-8255 LNA 32D LH Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,577.00
    $842.34
    LC-8255 LNA 32D LH Sargent Manufacturing Mortise LockWhen it comes to strength and durability, SARGENT continues to set standards with the 8200 Mortise lock. The 8200 far surpasses ANSI/BHMA A156.13 Series 1000 Grade 1 standards, making it the strongest...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,577.00
    $842.34
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  • Sargent 694-2 BHW 32D LH Mortise Trim Kit, Satin Stainless Sargent 694-2 BHW 32D LH Mortise Trim Kit, Satin Stainless
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    Sargent 694-2 BHW 32D LH Mortise Trim Kit, Satin Stainless

    Sargent
    MSRP: $2,202.00
    $1,254.84
    The Sargent 694-2 BHW 32D LH is a mortise lock trim kit for 8200 Series locksets, designed for facilities requiring durable, multi-function access control. This left-hand trim includes inside and outside components, supports 58 functions (including...
    Qty in Cart: 0
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    MSRP: $2,202.00
    $1,254.84
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  • 8295 WTJ 26D Sargent Manufacturing Mortise Lock 8295 WTJ 26D Sargent Manufacturing Mortise Lock
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    8295 WTJ 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $671.00
    $394.55
    8295 WTJ 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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    MSRP: $671.00
    $394.55
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  • 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 mortise lock is a Grade 1 certified security solution for commercial buildings, hospitals, schools, and behavioral health facilities. It exceeds ANSI/BHMA A156.13 standards and provides superior strength, durability, and resistance to...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,822.00
    $965.24
    Subtotal:
  • 8294 LE1L 26D Sargent Manufacturing Mortise Lock 8294 LE1L 26D Sargent Manufacturing Mortise Lock
    Quick view

    8294 LE1L 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,175.00
    $623.50
    8294 LE1L 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: $1,175.00
    $623.50
    Subtotal:
  • 70-8217 LW 26D Sargent Mortise Lock 70-8217 LW 26D Sargent Mortise Lock
    Quick view

    70-8217 LW 26D Sargent Mortise Lock

    Sargent
    MSRP: $1,873.00
    $986.66
    The Sargent 70-8217 LW 26D is a heavy-duty mortise lock designed for commercial and institutional facilities requiring maximum security and durability. It exceeds ANSI/BHMA Grade 1 standards and is UL-cUL listed for three-hour fire doors, making it ideal...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,873.00
    $986.66
    Subtotal:
  • 8297 LNL 26D Sargent Manufacturing Mortise Lock 8297 LNL 26D Sargent Manufacturing Mortise Lock
    Quick view

    8297 LNL 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,374.00
    $727.08
    8297 LNL 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: $1,374.00
    $727.08
    Subtotal:
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