Large Head Brass Door Viewer Model 1012M1-35-60-SN with 12mm Tube Diameter

Technical Specifications

Parameter	Specification Details
Model Number	1012M1-35-60-SN and 1012BM1-35-60-SN
Housing Material	Machined Solid Brass
Tube Diameter	12 mm
Door Thickness Range	35 mm to 60 mm
Head Diameter	27 mm
Standard Finish	SN – Satin Nickel
UL Fire Rating	Optional 1/3 H or 1.5 H Fire-Resistant
Target Applications	Premium residential entrance doors, high-end hotel guest rooms, and upscale commercial entries

Key Benefits & Target Applications

Core Hardware Advantages

• Expanded Wide-Vision Head: Featuring an expanded 27 mm head diameter, this viewer allows users to check outside easily without having to press their eye tightly against the lens, providing a more comfortable security experience.
• Clear Optical Performance: Premium optical glass elements ensure a bright, distortion-free field of view even in low-light entryway conditions.
• Solid Brass Construction: Precision-machined solid brass body guarantees thread durability and alignment, maintaining its structural integrity over decades of commercial use.
• Contemporary Satin Nickel Aesthetics: The modern satin nickel finish blends seamlessly with contemporary commercial and residential hardware sets, offering high resistance to daily wear and corrosion.

Primary Application Environments

• Luxury Residential Entrance Doors: Ideal for high-end custom homes, luxury condominiums, and apartments requiring premium hardware.
• Premium Hotel Guest Rooms: Specially selected by hotel chains to provide guest rooms with an elegant look and comfortable security viewing.
• Standard Commercial Office Doors: Fits typical executive office doors measuring 35 to 60 mm in thickness.
• Multi-Family Housing Projects: Suitable for large-scale development projects demanding durable, high-performance security hardware.

Custom Finishes and Accessories

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

Optional Finishes

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

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