Corbin Russwin DL4160 Grade 1 Mortise Deadlock, Thumbturn x Blank

Corbin Russwin DL4160-NON-KEYED Mortise Deadlock Thumbturn x Blank, Non-Handed Commercial Grade

Commercial Mortise Deadlock with Thumbturn Inside Operation and Blank Opposite Side

The Corbin Russwin DL4160 is a commercial-grade mortise deadlock from the DL4100 Series, engineered for demanding door security applications. Operated by thumbturn inside only with a blank opposite side, this non-handed lock installs on doors 1-3/4" to 2-1/4" thick with a standard 2-3/4" backset. The heavy wrought steel lockcase with zinc dichromate finish and steel deadbolt with hardened pin and 1" throw deliver robust, reliable security for commercial environments.

Professional Features & Benefits

• Door Thickness Compatibility: Accommodates standard 1-3/4" (44mm) door thickness with optional thicknesses available via Quick Codes, supporting a range of 1-3/4" to 2-1/4" for versatile commercial installations.
• Standard Backset: Factory-set 2-3/4" (70mm) backset meets standard commercial door preparation requirements for straightforward installation.
• Heavy-Duty Deadbolt: Steel deadbolt with hardened pin and 1" (25mm) throw provides strong resistance to forced entry in high-security commercial applications.
• Robust Lockcase Construction: Heavy wrought steel lockcase with zinc dichromate finish ensures long-term durability and corrosion resistance in demanding environments.
• Adjustable Front Plate: Brass, bronze, or stainless steel front measuring 4-5/8" (117mm) x 1-1/8" (29mm) is adjustable for flat or beveled doors with a bevel adjustment of 1/8" (3mm) in 2" (51mm) for precise fitment.
• Standard Strike Included: Wrought brass or bronze strike measuring 3-1/2" (89mm) x 1-1/8" (29mm) included; optional strikes also available for varied frame conditions.
• Non-Handed Design: Universal non-handed configuration simplifies ordering and installation, eliminating handing errors on commercial projects.
• Manufacturer Warranty: 1 Year Limited warranty for added confidence and protection.

Technical Specifications

• Subcategory: Deadlocks
• Product Group: Mechanical Locks
• Series: DL4100 Series
• Keyed Function: Non-Keyed
• Standard Latch: Deadbolt: Steel with hardened pin, 1" Throw
• Standard Strike: 3-1/2" x 1-1/8"
• Warranty: 1 Year Limited
• Product Subgroup: Mortise Locks and Trim
• Product Type: Mortise Deadlocks
• Keyed: No
• Commercial/Residential: Commercial
• Function Description: By thumbturn inside only, opposite side blank.
• Lock Type: Mortise
• Lock Function: Deadbolt
• Product Model: DL4160
• Product Function: Deadbolt
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/4" to 2-1/4"
• Product Category: Mechanical Locks
• Backset (Distance): 2-3/4"
• Department: Door Hardware

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Corbin Russwin Quality?

Corbin Russwin mortise deadlock products deliver professional-grade reliability with heavy wrought steel lockcase construction, a zinc dichromate finish, and a steel deadbolt with hardened pin rated for a full 1" throw. The DL4100 Series is backed by a 1 Year Limited warranty and engineered for demanding commercial applications where dependable door security performance is essential.