Skip to main content
eProcurement Solutions & Strategic Sourcing is Here. Learn More!
Free Shipping on Orders of $59 or more!
  • Shop
  • Careers
  • Locations
cook&boardman
cook&boardman
  • about

      About

      • About Us
      • Leadership Team
      • Acquisitions
      • Culture
      • Divisions
      • Case Studies
      • Suppliers & Brands
      • Enterprise Accounts
      • Careers
      • Blog / News
      • Contact Us

      National Presence. Local Service.

  • Solutions

      Solutions

      • Door, Frame, & Hardware Solutions
        • Commercial Metal & Wood Doors
        • Door Frames
        • Door & Architectural Hardware
        • Entrances & Storefronts
        • Door Closers & Openers
        • Hinges
        • Exit Devices
      • Specialty Solutions
        • Compartments, Cubicles & Lockers
        • Toilet, Bath & Laundry Partitions
        • Fire Extinguishers & Cabinets
        • Trash & Litter Receptacles
        • Emergency Aid Specialties
        • Site Furnishings
        • Entrance Mats
        • Flagpoles
      • Electronic Security & Com. Solutions
        • Access Control
        • Video Surveillance
        • Intrusion, Weapons, & Vape Detection
        • Mobile Surveillance Trailers
        • Visitor Management
        • Structured Cabling
        • Unified Communications
        • AV Systems
        • Networking
        • Managed Services

      Need Help?

      Let us know if we can help or if you have a project you'd like to discuss.

      Request A Quote

      4.8 Average Star Rating

      Read More Reviews
  • Services
      Resources & Tools Who We Work With

      Talk to an Expert

      Learn about the latest in secure access solutions and enjoy a delicious lunch, on us!

      Let’s Do Lunch

      Services

      • Construction Project Services

        • Custom Fabrication & Welding
        • Project Estimates, Budgeting & Detailing
        • Project Management & Product Delivery
        • Specifications Writing & Design

      • On-Site Services

        • Site Surveys
        • Locksmithing
        • Installation
        • Aftermarket, Replacement & Repairs

      • Specialized Services

        • Enterprise Accounts
        • Grant Writing
        • Inspections & Repair (Fire & Life Safety)
        • Pre-Install & Pre-Hung Services
        • Managed Services

      • Purchasing Services

        • Procurement Integrations
        • Custom Storefronts
  • Markets

      Markets

      • Healthcare
      • Wellness & Fitness Centers
      • Hospitality
      • Transportation
      • Multi-Family & Mixed Use
      • Sports & Entertainment
      • Industrial / Data Centers
      • Schools / Childcare
      • Restaurants
      • Federal / Government / Public Agency
      • Retail
      • Senior Living

      If you don't see your industry, contact us as we serve more businesses than what's listed.

  • Contact Us
  • My Account
    • Credit Request
    • Shop FAQs
    • Shopping List
  • Cart
Toggle menu
  • Shop
  • Careers
  • Locations
  • about-icon About
    • About
    • About Us
    • Leadership Team
    • Acquisitions
    • Culture
    • Divisions
    • Case Studies
    • Suppliers & Brands
    • Enterprise Accounts
    • Careers
    • Blog / News
    • Contact Us
  • Solutions-icon Solutions
    • Solutions
    • Door, Frame, & Hardware Solutions
      • Door, Frame, & Hardware Solutions
      • Commercial Metal & Wood Doors
      • Door Frames
      • Door & Architectural Hardware
      • Entrances & Storefronts
      • Door Closers & Openers
      • Hinges
      • Exit Devices
      • View All
    • Specialty Solutions
      • Specialty Solutions
      • Compartments, Cubicles & Lockers
      • Toilet, Bath & Laundry Partitions
      • Fire Extinguishers & Cabinets
      • Trash & Litter Receptacles
      • Emergency Aid Specialties
      • Site Furnishings
      • Entrance Mats
      • Flagpoles
      • View All
    • Electronic Security & Com. Solutions
      • Electronic Security & Com. Solutions
      • Access Control
      • Video Surveillance
      • Intrusion, Weapons, & Vape Detection
      • Mobile Surveillance Trailers
      • Visitor Management
      • Structured Cabling
      • Unified Communications
      • AV Systems
      • Networking
      • Managed Services
      • View All
  • Services-icon Services
    • Services
    • Construction Project Services
      • Construction Project Services
      • Custom Fabrication & Welding
      • Project Estimates, Budgeting & Detailing
      • Project Management & Product Delivery
      • Specifications Writing & Design
    • On-Site Services
      • On-Site Services
      • Site Surveys
      • Locksmithing
      • Installation
      • Aftermarket, Replacement & Repairs
    • Specialized Services
      • Specialized Services
      • Enterprise Accounts
      • Grant Writing
      • Inspections & Repair (Fire & Life Safety)
      • Pre-Install & Pre-Hung Services
      • Managed Services
    • Purchasing Services
      • Purchasing Services
      • Procurement Integrations
      • Custom Storefronts
  • Markets-icon Markets
    • Markets
    • Healthcare
    • Hospitality
    • Multi-Family & Mixed Use
    • Industrial / Data Centers
    • Restaurants
    • Retail
    • Wellness & Fitness Centers
    • Transportation
    • Sports & Entertainment
    • Schools / Childcare
    • Federal / Government / Public Agency
    • Senior Living
  1. Home
  2. Categories
Let Us Build You A
Custom eStore

We standardize materials and improve the purchasing process for your facilities.

Learn More

  • Brands
  • Accessories & Tools
  • Barn Doors & Hardware
  • Commercial Washroom Accessories
  • Communication
  • Door Hardware
  • Electronic Access Control
  • Hollow Metal Doors & Frames
  • Security Integration
  • Wood Doors

Refine by

  • Left Hand
Clear all
Filter Products
  • Alarm Lock (2)
  • Satin Chromium Plated 626/US26D (2)
Clear
  • Field Reversible (144)
  • Left Hand (2)
  • Left Hand (LH) (382)
  • Left hand (LH) (2)
  • Left Hand (LH), Inside (1)
  • Left Hand (LH), Outside (1)
  • Left Hand/Left Hand Reverse (LH/LHR) (7)
  • Left Hand Reverse (LHR) (225)
  • Non-Handed (216)
  • Non-handed (1)
Show More
  • In Stock (2)
  • Brands

    Brands

  • Accessories & Tools

    Accessories & Tools

  • Barn Doors & Hardware

    Barn Doors & Hardware

  • Commercial Washroom Accessories

    Commercial Washroom Accessories

  • Communication

    Communication

  • Door Hardware

    Door Hardware

  • Electronic Access Control

    Electronic Access Control

  • Hollow Metal Doors & Frames

    Hollow Metal Doors & Frames

  • Security Integration

    Security Integration

  • Wood Doors

    Wood Doors

  • Alarm Lock Trilogy DL4500 Electronic Keyless Access Mortise Lockset, 2000 Users
    Choose Options

    Alarm Lock

    Alarm Lock Trilogy DL4500 Electronic Keyless Access Mortise Lockset, 2000 Users

    MSRP:
    Was: $1,739.92
    Now: $1,070.06
  • Alarm Lock Trilogy DL3500 Electronic Keyless Access Mortise Lockset, 300 Users, with or without Prox Reader
    Choose Options

    Alarm Lock

    Alarm Lock Trilogy DL3500 Electronic Keyless Access Mortise Lockset, 300 Users, with or without Prox Reader

    MSRP:
    Was: $2,309.72
    Now: $1,420.48 - $1,817.78
Request Quote

  • Free Resources
  • Request Project Quote 4

  • Customer Service
Cook & Boardman
Corporate Headquarters:

3064 Salem Industrial Drive
Winston-Salem, NC 27127

(855) 209-8615 Contact US
accessibility cookie
ABOUT
  • About Us
  • Leadership Team
  • Acquisitions
  • Culture
  • Branch Locations
  • Suppliers & Brands
  • Enterprise Accounts
  • Careers
  • Health Plan Transparency
  • Blog/News
FIND US ONLINE
SHOP
  • View Account
  • Request a Quote
  • Credit request
  • eProcurment Solutions
  • Customer Service
  • Shop Now
  • Door Hardware
  • Security Integration
  • Electronic Access Control
  • Commercial Washroom Accessories
  • Wood Doors
FOR EMPLOYEES
  • Quick Support
  • Connect
DOWNLOAD OUR APP
App Store Google Play

© 2025 CookandBoardman.com  |  All Rights Reserved   |   Privacy Policy

  • Do Not Sell or Share my Personal Information
    • |
  • Cookie Policy
    • |
  • Terms of Service
    • |
  • Terms and Conditions of Sale
    • |
  • CCPA Notice

HardwareChimp Sunset

HardwareChimp.com Update!

We are saying goodbye to HardwareChimp,
But the journey continues.

We’re excited to welcome you to CookandBoardman.com.
The Cook & Boardman Group is the nationwide leader in safe and secure opening solutions.

Explore CookandBoardman.com