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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  • Corbin Russwin ML2022 LWA 630 M31 Store Door Mortise Trim Pack LW Lever A Rose Corbin Russwin ML2022 LWA 630 M31 Store Door Mortise Trim Pack LW Lever A Rose
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    Corbin Russwin ML2022 LWA 630 M31 Store Door Mortise Trim Pack LW Lever A Rose

    Corbin Russwin
    MSRP: $987.00
    $544.54
    ML2022 LWA 630 M31 Corbin Russwin Mortise Lock Store Door Mortise Trim Pack, LW Lever, A Rose, Satin Stainless Steel Finish: 630/US32D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $987.00
    $544.54
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  • Corbin Russwin ML2055 NSA 626 LC Classroom Mortise Lock Corbin Russwin ML2055 NSA 626 LC Classroom Mortise Lock
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    Corbin Russwin ML2055 NSA 626 LC Classroom Mortise Lock

    Corbin Russwin
    MSRP: $1,517.00
    $817.14
    The Corbin Russwin ML2055 NSA 626 LC is a Grade 1 mortise lock built for high-traffic institutional and commercial environments like schools, hospitals, and offices. It features a patented quick...
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    MSRP: $1,517.00
    $817.14
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  • Corbin Russwin ML2051 NSA 626 LC Entrance or Office Mortise Lock NS Lever Corbin Russwin ML2051 NSA 626 LC Entrance or Office Mortise Lock NS Lever
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    Corbin Russwin ML2051 NSA 626 LC Entrance or Office Mortise Lock NS Lever

    Corbin Russwin
    MSRP: $1,517.00
    $817.14
    ML2051 NSA 626 LC Corbin Russwin Mortise Lock Entrance or Office Mortise Lock, NS Lever, A Rose, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders, Cores,...
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    MSRP: $1,517.00
    $817.14
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  • Corbin Russwin ML2057 LWA 626 LC Storeroom or Closet Mortise Lock LW Lever Corbin Russwin ML2057 LWA 626 LC Storeroom or Closet Mortise Lock LW Lever
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    Corbin Russwin ML2057 LWA 626 LC Storeroom or Closet Mortise Lock LW Lever

    Corbin Russwin
    MSRP: $1,214.00
    $659.88
    ML2057 LWA 626 LC Corbin Russwin Mortise Lock Storeroom or Closet Mortise Lock, LW Lever, A Rose, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders, Cores,...
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    MSRP: $1,214.00
    $659.88
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  • Corbin Russwin ML2010 LWA 613 Passage or Closet Mortise Lock LW Lever A Rose Corbin Russwin ML2010 LWA 613 Passage or Closet Mortise Lock LW Lever A Rose
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    Corbin Russwin ML2010 LWA 613 Passage or Closet Mortise Lock LW Lever A Rose

    Corbin Russwin
    MSRP: $1,099.00
    $591.58
    ML2010 LWA 613 Corbin Russwin Mortise Lock Passage or Closet Mortise Lock, LW Lever, A Rose, Oil Rubbed Bronze Finish: 613/US10B Series: ML2000 Series Mortise Locks Type: Locks, Cylinders, Cores,...
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    MSRP: $1,099.00
    $591.58
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  • Corbin Russwin ML2010 LL 626 Passage or Closet Mortise Lockbody Only Corbin Russwin ML2010 LL 626 Passage or Closet Mortise Lockbody Only
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    Corbin Russwin ML2010 LL 626 Passage or Closet Mortise Lockbody Only

    Corbin Russwin
    MSRP: $662.00
    $389.26
    ML2010 LL 626 Corbin Russwin Mortise Lock Passage or Closet Mortise Lockbody Only, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub...
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    MSRP: $662.00
    $389.26
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  • Corbin Russwin ML2020 LL 626 Privacy Bedroom or Bathroom Mortise Lockbody Only Corbin Russwin ML2020 LL 626 Privacy Bedroom or Bathroom Mortise Lockbody Only
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    Corbin Russwin ML2020 LL 626 Privacy Bedroom or Bathroom Mortise Lockbody Only

    Corbin Russwin
    MSRP: $768.00
    $442.56
    ML2020 LL 626 Corbin Russwin Mortise Lock Privacy, Bedroom or Bathroom Mortise Lockbody Only, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders, Cores,...
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    MSRP: $768.00
    $442.56
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  • Corbin Russwin ML2030 LL 626 Privacy Bedroom or Bathroom Mortise Lockbody Only Corbin Russwin ML2030 LL 626 Privacy Bedroom or Bathroom Mortise Lockbody Only
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    Corbin Russwin ML2030 LL 626 Privacy Bedroom or Bathroom Mortise Lockbody Only

    Corbin Russwin
    MSRP: $768.00
    $442.56
    ML2030 LL 626 Corbin Russwin Mortise Lock Privacy, Bedroom or Bathroom Mortise Lockbody Only, Satin Chrome Finish: 626/US26D ...
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    MSRP: $768.00
    $442.56
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  • Corbin Russwin ML2029 LL 626 Hotel or Motel Mortise Lockbody Only Corbin Russwin ML2029 LL 626 Hotel or Motel Mortise Lockbody Only
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    Corbin Russwin ML2029 LL 626 Hotel or Motel Mortise Lockbody Only

    Corbin Russwin
    MSRP: $780.00
    $447.60
    The Corbin Russwin ML2029 LL 626 is a Grade 1 mortise lockbody designed for high-traffic commercial and institutional applications including hotels, motels, offices, and hospitals. Built from heavy...
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    MSRP: $780.00
    $447.60
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  • Corbin Russwin ML2072 LL 626 Classroom Intruder Mortise Lockbody Only Corbin Russwin ML2072 LL 626 Classroom Intruder Mortise Lockbody Only
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    Corbin Russwin ML2072 LL 626 Classroom Intruder Mortise Lockbody Only

    Corbin Russwin
    MSRP: $718.00
    $421.56
    The Corbin Russwin ML2072 LL 626 is a Grade 1 mortise lockbody designed for classroom intruder protection in high-traffic institutional settings. Built from heavy-gauge steel with a 1-inch stainless...
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    MSRP: $718.00
    $421.56
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  • Corbin Russwin ML2057 LWA 626 Storeroom Mortise Lock Corbin Russwin ML2057 LWA 626 Storeroom Mortise Lock
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    Corbin Russwin ML2057 LWA 626 Storeroom Mortise Lock

    Corbin Russwin
    MSRP: $1,360.00
    $721.20
    The Corbin Russwin ML2057 is a Grade 1 mortise lock built for storeroom and closet applications in commercial and institutional settings. Heavy-gauge steel construction with a 1-inch stainless steel...
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    MSRP: $1,360.00
    $721.20
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  • Corbin Russwin ML2051 LWA 613 LC Entrance or Office Mortise Lock LW Lever Corbin Russwin ML2051 LWA 613 LC Entrance or Office Mortise Lock LW Lever
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    Corbin Russwin ML2051 LWA 613 LC Entrance or Office Mortise Lock LW Lever

    Corbin Russwin
    MSRP: $1,242.00
    $671.64
    ML2051 LWA 613 LC Corbin Russwin Mortise Lock Entrance or Office Mortise Lock, LW Lever, A Rose, Oil Rubbed Bronze Finish: 613/US10B Series: ML2000 Series Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,242.00
    $671.64
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