YF5791

YF5791 Cylindrical Knob Lock Series

The YF5791 Cylindrical Knob Lock Series is a high-performance locking solution designed for residential and commercial properties, offering durability, security, and ease of use. Manufactured from premium 201/304 stainless steel, this series ensures exceptional strength, corrosion resistance, and long-lasting reliability, making it suitable for both interior and exterior applications.

Built with a screw left-right structure, the YF5791 series provides secure installation and smooth operation. It is available in various functional options, including Entrance (ET), Privacy (BK), Passage (PS), and Dummy (DL), making it adaptable to different security needs.

To accommodate diverse design preferences, this series is available in a selection of high-quality surface finishes, such as Satin (SN), Oil Rubbed Bronze (ORB), Antique Brass (AB), Antique Copper (AC), Satin Chrome (SC), Chrome Plated (CP), Antique Nickel (AN), and Polished Brass (PB), ensuring seamless integration into any setting.

Designed for both wooden and steel doors, the YF5791 Cylindrical Knob Lock Series supports standard door thicknesses of 35-50mm, with the option for customization up to 45-55mm. With its robust construction, stylish appearance, and versatile functionality, the YF5791 series is an ideal choice for enhancing both security and aesthetics in any environment.

Description

Product Name YF5791 Cylindrical knob lock series
Material 201/304 Stainless steel
Main Functions Entrance (ET) / Privacy (BK) / Passage (PS) / Dummy (DL)
Surface Finishing Satin (SN) / Oil rubbed bronze (ORB) / Antique brass (AB) / Antique copper (AC) / Satin chrome (SC) / Chrome plated (CP) / Antique nickel (AN) / Polished brass (PB)
Standard Door Thickness 35-50mm
Special Door Thickness 45-55mm
Suitable For Wooden door and steel door

Professional Lock Manufacturer & Security Solutions Provider

Zhongshan Yanfeng Lock Industry Co., Ltd. is a leading manufacturer specializing in the development, production, and global distribution of
high-security mechanical and smart locks. With years of experience in the lock industry, we are dedicated to providing durable, innovative, and customized security solutions
for residential, commercial, and industrial applications.

As a trusted supplier in the **B2B sector**, we collaborate with distributors, wholesalers, project contractors, and hardware brands worldwide,
ensuring premium quality, cost-effective pricing, and reliable customer support. Whether you require **OEM & ODM** services or bulk lock solutions,
we have the expertise and manufacturing capabilities to meet your business needs.

Manufacturing & Quality Assurance

  • Advanced Production Facilities: Equipped with precision CNC machines, die-casting technology, and automated assembly lines.
  • High-Grade Materials: Utilizing stainless steel, zinc alloy, brass, and reinforced aluminum for enhanced security and durability.
  • Strict Quality Control: ISO9001-certified manufacturing with rigorous testing for strength, corrosion resistance, and operational longevity.
  • Customizable Solutions: Support for OEM/ODM production, including branding, keyway configurations, and electronic system integrations.
  • Global Supply Chain: Efficient logistics and stable production capacity to ensure timely delivery for bulk orders.

Our Product Range

We provide a comprehensive selection of **mechanical and smart locks** for various applications. Our products combine **security, functionality, and aesthetic design**,
meeting the high demands of modern architectural projects and security systems.

Mechanical Locks

  • Deadbolt Locks: High-strength security locks with single or double cylinders.
  • Door Knob & Lever Locks: Durable and stylish designs for homes and offices.
  • Entry Handleset Locks: Elegant and robust solutions for main entrances.
  • Mortise Locks: Heavy-duty locks for commercial and industrial applications.
  • Pocket Door Locks: Sliding door locks for space-saving security solutions.
  • Ecological Door Locks: Eco-friendly materials and innovative designs.

Smart Locks

  • Fingerprint Door Locks: Biometric access for enhanced security.
  • Smart Door Knob & Lever Locks: Wireless connectivity with app control.
  • Bluetooth & Wi-Fi Locks: Seamless integration with smart home systems.
  • Smart Glass Door Locks: Ideal for commercial buildings and office spaces.
  • Keypad & RFID Locks: Secure access with PIN codes and card authentication.
  • Remote Access Smart Locks: Cloud-based management for real-time control.

Industry Applications

Our locks are widely used in various industries, ensuring **high-security standards and long-term reliability** for:

  • Residential Buildings: Apartments, villas, and gated communities.
  • Commercial Properties: Offices, shopping malls, and hotels.
  • Industrial Facilities: Warehouses, factories, and logistics hubs.
  • Public Infrastructure: Schools, hospitals, and government buildings.
  • Smart Homes & IoT: Integrated solutions for modern living spaces.

Why Choose Yanfeng Lock?

  • Over 13 Years of Industry Experience: Expertise in lock manufacturing and security innovations.
  • OEM & ODM Services: Tailor-made lock solutions for your business.
  • Global Partnerships: Trusted by distributors and retailers worldwide.
  • Competitive Pricing: Cost-effective solutions without compromising quality.
  • Reliable Customer Support: Professional assistance before and after sales.

Contact Us

For business inquiries, please reach out to us:

Phone: +86 15674756738

Email:
sales@yanfenglock.com

Website:
www.yanfenglock.com

© 2025 Zhongshan Yanfeng Lock Industry Co., Ltd. All rights reserved.