Welcome to D&D HARDWARE INDUSTRIAL Co., Ltd . 
D&D, Leader in Commercial Door Hardware
Pls inquire to sales@danddhardware.com
//:+86 139 2903 7292
Home » News

ANSI Door Hardware

These are related to the ANSI Door Hardware news, in which you can learn about the latest trends in ANSI Door Hardware and related information industry, to help you better understand and expand ANSI Door Hardware market.
  • Inside D&D's Quality Control: Testing Door Hinges to ANSI/BHMA Standards
    D&D Hardware tests every door hinge to ANSI/BHMA standards through a multi-stage quality control process — covering raw material inspection, dimensional verification, mechanical cycle testing, and fire-rating validation. This article explains exactly how that process works, and why it matters when s
    2026-07-20
  • ANSI/BHMA Grade 1 vs 2 vs 3 Door Hinges: How to Choose
    ANSI/BHMA door hinge grades classify hinges by durability, load capacity, and cycle life. Grade 1 is engineered for heavy-duty commercial and institutional use, Grade 2 suits light commercial and high-traffic residential doors, and Grade 3 is designed for standard residential applicati
    2026-06-11
  • What is a BHMA Door Hinge? A Guide to ANSI Standards
    TL;DR: A BHMA door hinge is commercial-grade hardware certified by the Builders Hardware Manufacturers Association. These hinges pass strict ANSI performance tests for cycle life, structural strength, and corrosion resistance. Specifying BHMA-certified hardware ensures your doors comply with buildin
    2026-05-25
  • Guide to Fire-Rated Door Hardware Components
    A fire door stands as a critical barrier between a contained hazard and a devastating building emergency. Yet, the heavy metal or solid wood slab itself represents only one part of the safety equation. If the hinges warp, the locks melt, or the closer malfunctions during a blaze, the entire door los
    2026-04-27
  • How Does a Door Viewer Work?
    We have all been there. You are relaxing at home, perhaps in the middle of dinner or watching a movie, when a knock echoes through the house. Before you unlock the deadbolt and swing the door open, you likely pause to do one specific thing: look through the peephole.
    2025-12-12
  • What Are the Different Types of Door Closers?
    Walk into any commercial building, and you'll notice something subtle but important: doors that close themselves smoothly and safely. Behind this simple convenience lies a crucial piece of hardware—the door closer.
    2025-11-06
  • How to Choose the Door Hardware of Left-Handed or Right-Handed ?
    Correctly handing an opening or an item of hardware is one of the most important skills you need to acquire when you work in the door and hardware industry. Many items of hardware have to be handed correctly when ordered from the manufacturer. For example, some models of mortise locks, door closers
    2021-07-03
  • Do fire doors need the fireproof hardware?
    Do fire doors need the fireproof hardware?In the event of a fire, a lot of people in a tall building or construction will have trouble evacuating quickly. To solve this issue, the fire reted hardware helps to prevent the spread of fires and smog, while protecting individuals that are difficult to mo
    2021-06-04
We use cookies to enable all functionalities for best performance during your visit and to improve our services by giving us some insight into how the website is being used. Continued use of our website without having changed your browser settings confirms your acceptance of these cookies. For details please see our privacy policy.
×