Dorex – GX1A Deadbolt – Commercial

DOREX GX1A Deadbolt | Grade 1 Commercial Heavy-Duty Deadbolt

The DOREX GX1A Deadbolt is a high-performance Grade 1 commercial deadbolt designed for demanding applications where strength, durability, and security are essential. Built for high-traffic commercial environments, the GX1A provides exceptional reliability for office buildings, institutional facilities, industrial properties, and other commercial applications requiring heavy-duty door protection. 

Featuring a solid brass deadbolt with hardened steel security pin, free-spinning cylinder collar, concealed mounting screws, and multiple cylinder options, the DOREX GX1A delivers professional-grade security with flexible keying capabilities. 

Ideal Applications

• Commercial buildings

• Office facilities

• Industrial properties

• Institutional buildings

• Retail locations

• Multi-tenant buildings

• High-traffic exterior doors

• Security-sensitive applications

Grade 1 Commercial Security

The DOREX GX1A is engineered for applications requiring superior strength and durability.

Features include:

• ANSI/BHMA A156.36 Grade 1 certification

• cULus listed with 3-hour fire rating

• Heavy-duty construction for high-use environments

• 10-year limited warranty

• Designed for commercial deadlocking applications

Heavy-Duty Deadbolt Construction

The GX1A provides enhanced security through reinforced internal components.

Security features include:

• Solid brass deadbolt construction

• Hardened steel security pin

• Full 1" (25.4 mm) deadbolt throw

• Free-spinning cylinder collar for added attack resistance

• Steel cylinder housing

• Concealed mounting screws

• Included strike and dust box 

Flexible Cylinder & Keying Options

The DOREX GX1A supports a variety of commercial keying requirements.

Available options include:

• 6-pin solid brass cylinder

• Schlage "C" keyway with 2 keys included

• Removable and rekeyable cylinder

• Small Format Interchangeable Core (SFIC) option available

• CX5 high-security keyway options available

• Full keying services available 

Available Functions

The GX1A commercial deadbolt is available in multiple configurations:

• Single cylinder with thumb-turn

• Double cylinder

• Classroom function

• SFIC interchangeable core versions available 

Installation & Compatibility

Designed for commercial door applications, the GX1A offers flexible installation options.

• Fits doors 1-9/16" to 2" thick (40–51 mm)

• 2-1/4" (57 mm) door thickness kit available

• Non-handed design

• Standard 2-3/4" (70 mm) backset

• 2-3/8" (60 mm) backset available

• 5" (127 mm) backset available 

Specifications

Why Choose the DOREX GX1A Deadbolt?

The DOREX GX1A Deadbolt provides commercial-grade security, durability, and flexibility for demanding applications. With its Grade 1 certification, reinforced deadbolt construction, interchangeable core options, and extensive keying capabilities, it is an ideal solution for businesses, institutions, and property managers requiring dependable access control and long-term performance.