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CONTACT US
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    Keylex 4000 Series

    for Access Control of Swing Doors and Gates

    Suitable for commercial, public, and residential facilities with keyless entry and management. Retrofitted to be compatible with US standard door prep. Ideal for both indoor and outdoor use, with premium product quality.

    Download User's Manual (K423ID K423IM)
  • Specifications

    • No electrical work required
    • Easy to reset passcode
    • Highly visible and durable buttons
    • High security and weather proof
    • Changeover to Free-Passage mode
    • Material: Aluminum
    • Passcode: 32,768 combinations
    • Door thickness: 35mm - 55mm ( 1 3/8'' - 2 3/16'' )
    • For door weight: Up to 80 kg ( 176.37 lb )
    • Handle can be changed for both right-handed and left-handed use
    • Key options: Both key different and key alike available
    • Ilco Key-In-Lever cylinder integrated
    • Compatible with cylindrical deadlatch from MARKS USA (both ANSI Grade 1 and 2 available )
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    Easy Passcode Reset

    Change and set passcode easily without removing lock from door

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    Key Accessibility

    The door can be unlocked with a key put at the bottom of lock without using a passcode

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    3 Operation Modes

    • Free – No passcode needed
    • Auto Lock – Passcode or key needed
    • Dead Lock – Key needed ( passcode disabled ) (applicable to K423ID only)
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    Color Variations

    3 color options available

    • Silver Painting (AS)
    • Amber Painting (AB)
    • Black Painting (BL)
  • Models

    K423ID

    Equipped with Dead Lock function (blocks all code entry, key override only)

    K423IM

    Not equipped with Dead Lock function.

  • Downloads

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    Keylex4000 User's Manual

    K423ID K423IM

    DOWNLOAD NOW
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    Keylex4000 Installation Manual

    K423ID K423IM

    DOWNLOAD NOW
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    Keylex4000 Drilling Template

    K423ID K423IM

    DOWNLOAD NOW
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    Keylex4000 Cylindar Installation Manual

    K423ID K423IM

    DOWNLOAD NOW
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About Keylex USA

Founded in 2024, is the first authorized North American distributor of Keylex, the trusted brand by Japan’s Nagasawa Manufacturing Co., established in 1916. We provide sales, distribution, and support for these premium products.

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Contact Us

312-504-3348

sales@keylexusa.com

© 2025 Keylex USA Inc. All Right Reserved.

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