Commercial Storefront Mortise Deadlatch | Narrow-Stile Lock Body | Multiple Backsets | Aluminum Door Hardware

The Apex Levers Mortise Dead Latch Lock Body is a commercial-grade replacement lock body designed for compatible narrow-stile aluminum storefront doors and commercial entrance systems.

Available in 31/32", 1-1/8", or 1-1/2" backset options, this mortise deadlatch allows installers and service technicians to select the proper configuration for a wide range of storefront door preparations.

The compact mortise design installs inside the door stile and is ideal for new installations, replacement projects, and commercial door repair applications.

Key Features

• Commercial-grade mortise deadlatch lock body

• Designed for narrow-stile storefront doors

• Available in three backset options

• 31/32" backset

• 1-1/8" backset

• 1-1/2" backset

• Compact mortise-style construction

• Designed for aluminum storefront door applications

• Provides positive latch engagement when the door closes

• Compatible with appropriate mortise cylinders, paddles, levers, and other storefront trim

• Ideal for commercial door repair and replacement

• Suitable for high-traffic entrance applications

Available Backsets

Choose the backset required for your existing door preparation:

31/32" Backset

Ideal for compatible narrow-stile aluminum doors requiring a compact backset configuration.

1-1/8" Backset

A common storefront mortise deadlatch size used across many commercial aluminum entrance applications.

1-1/2" Backset

Designed for compatible doors and frames requiring a deeper mortise lock position.

Always measure the existing lock body or door preparation before ordering.

Mortise Deadlatch Operation

The mortise deadlatch installs inside the door stile and engages a compatible strike in the frame when the door closes.

Depending on the complete hardware configuration, the lock can be operated using compatible:

• Mortise cylinders

• Thumbturns

• Lever trim

• Push/pull paddles

• Electric strikes

• Access-control hardware

The exact function depends on the selected trim and locking components.

Product Specifications

Brand: Apex Levers
Product Type: Mortise Deadlatch Lock Body
Application: Narrow-Stile Commercial Doors
Available Backsets: 31/32", 1-1/8", 1-1/2"
Installation: Mortised Into Door Stile
Door Type: Aluminum Storefront / Commercial Entrance
Cylinder: Sold Separately
Faceplate: Sold Separately Unless Specifically Stated
Strike: Sold Separately Unless Specifically Stated
Trim: Sold Separately

Common Applications

Ideal for:

• Aluminum storefront doors

• Retail entrances

• Office buildings

• Shopping centers

• Restaurants

• Commercial glass entrances

• Schools and universities

• Medical offices

• Government facilities

• Commercial tenant spaces

• Institutional buildings

Replacement Applications

This Apex mortise deadlatch lock body is ideal for replacing an existing storefront lock that is:

• Worn

• Damaged

• Binding

• Failing to latch

• Missing

• Being upgraded with new commercial hardware

For replacement installations, match the existing backset, faceplate style, door preparation, cylinder configuration, and strike location before ordering.

Ordering Information

Before ordering, verify:

• Required backset

• Door stile width

• Existing mortise preparation

• Faceplate dimensions

• Cylinder type

• Paddle or lever configuration

• Strike compatibility

• Door handing if required by the complete hardware setup

What's Included

(1) Apex Levers Mortise Dead Latch Lock Body in the selected backset

Faceplate, mortise cylinder, thumbturn, lever or paddle trim, strike, electric strike, and other hardware are sold separately unless specifically stated otherwise.