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Brass Door Viewer Model 1012-35-55-ORB with 12mm Tube Diameter

The Oupu Optic Brass Door Viewer Model 1012-35-55-ORB is a commercial-grade security hardware component optimized for standard exterior and entry doors measuring 35 to 55 mm in thickness. Engineered with a machined solid brass housing in a classical oil rubbed bronze finish and precision optical glass lenses, this 12mm tube diameter viewer provides a clear, wide-angle view for standard residential wood doors, steel entrance systems, and heavy-duty commercial entryways.

Brass-Door-Viewer-Model-1012-35-55-ORB-with-12mm-Tube-Diameter.

Technical Specifications

ParameterSpecification Details
Model Number1012-35-55-ORB and 1012B-35-55-ORB
Housing MaterialMachined Solid Brass
Tube Diameter12 mm
Door Thickness Range35 mm to 55 mm
Head Diameter16 mm
Standard FinishORB – Oil Rubbed Bronze
UL Fire RatingOptional 1/3 H or 1.5 H Fire-Resistant
Target ApplicationsStandard residential front doors, exterior wood doors, and security entry doors

Key Benefits & Target Applications

Core Hardware Advantages

  • Clear Optical Performance: Engineered with professional optical lens configurations to minimize edge distortion and maintain a wide, clear field of view.
  • Solid Brass Body: Machined from robust solid brass to ensure long-term durability and high corrosion resistance.
  • Universal Entrance Thickness Range: Fits standard residential exterior doors measuring 35 mm to 55 mm, making it highly compatible with global stock standards.
  • Premium Architectural Finish: The oil rubbed bronze finish resists fingerprints and weathering, making it suitable for both luxury residential builds and high-end commercial projects.

Primary Application Environments

  • Residential Entrance Doors: The perfect specification for standard exterior wood, composite, or fiberglass entry doors.
  • Steel Security Entryways: Designed to fit tightly into standard pre-bored holes in residential and commercial steel doors.
  • Hotel Guest Room Entry Doors: Fits typical hotel guest room entry doors requiring a premium classic aesthetic.
  • Heavy-Duty Commercial Openings: Suited for commercial offices, banks, and institutions utilizing standard-thickness wood or metal entry panels.

Custom Finishes and Accessories

We offer several standard finishes and accessories to match your project requirements:

Optional Finishes

  • SC: Satin Chrome
  • SN: Satin Nickel
  • PB: Polished Brass
  • CP: Chrome Plated
  • G: Gold Plated
  • AC: Antique Copper
  • AB: Antique Brass
  • ORB: Oil Rubbed Bronze – Standard

Optional Accessories

  • Cover F1012G: Internal privacy shutter
  • Extension F1012J: Threaded tube extension for thicker door panels
  • Integrated Cover F1012XG: Integrated rear privacy cover assembly

B2B Procurement Terms

To support commercial buyers, distributors, and door manufacturing plants, we provide standard export trade terms:

  • Minimum Order Quantity: Please contact our sales department for specific finish and volume requirements.
  • Production Lead Time: Typically 30 to 45 days depending on the batch order size and finishing options.
  • Sample Policy: Physical product samples are available for quality evaluation and testing by qualified trade buyers.
  • Incoterms and Port of Loading: FOB Ningbo, Shanghai, or Tianjin.
  • Export Packaging: Shipped in standard industrial export cartons. Custom private labeling and brand packaging are available upon request.
  • Technical Drawings: We provide 2D and 3D CAD files to engineering teams and door manufacturers for pre-installation planning.

Manufacturing Capabilities and Certifications

Beijing Oupuoptic Instrument Co., Ltd. began operations in 2001 in Tongzhou District, Beijing. To support large-volume global exports, we established our modern manufacturing facility, Zhejiang Guocheng Technology Co., Ltd., in Zhejiang province in 2019.

Our manufacturing infrastructure and legacy include:

  • A modern production facility covering over 5000 square meters.
  • A workforce of more than 100 professionals.
  • Automated CNC machining and precision optical lens assembly lines.
  • Full ISO9001 quality system certification.
  • Direct import and export authorization.

Our optical engineering history:
Our Chairman, Mr. Shao Wencai, is an experienced optical designer who was deeply involved in developing China’s first-generation door viewer in 1978. He patented a 180-degree wide-angle door viewer in 1990, securing a national patent. He later designed a dual-purpose door viewer in 1998, followed by an enhanced optical door viewer system in 2006.

Our door viewer series is UL certified, satisfying the fire safety standards of both the United States and Canada.

Frequently Asked Questions

The thickness range of 35 to 55 mm represents the global standard for residential front entrance doors and commercial entryways. The Model 1012-35-55-ORB is engineered specifically to provide a flush, secure fit on these common door sizes without requiring additional thread extensions.

The UL fire safety rating is an optional upgrade. If your commercial project requires fire-resistant hardware, please let us know when submitting your RFQ so we can supply certified units.

Yes. We supply evaluation samples and technical 2D/3D drawings to door manufacturers and procurement managers. Please contact our trade team to coordinate your specifications.

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